SAVE 10% SITEWIDE
Click to Apply
Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
JOIN GEARS TO SAVE 5%
Shop All Brands Shop All Vehicles

  2. Auto Parts
  3. Tools and Equipment
  4. Hardware
  5. Fuel Cap Tester Adapter
  6. Stant 12421

Stant 12421 Fuel Cap Tester Adapter

Stant 12421 Fuel Cap Tester Adapter

Stant
Brand:Stant
Part Number: 12421
UPC: 033342040779
Weight: 0.2 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Stant 12421 Fuel Cap Tester Adapter for your vehicle. Buy now and secure your purchase online!

Select a vehicle to narrow Stant 12421 Fuel Cap Tester Adapter fitment info!

Last Updated: 11/15/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Buick Century

3.1L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick Century



3.1L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Buick LeSabre

3.8L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick LeSabre



3.8L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Buick Park Avenue

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Supercharged
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick Park Avenue



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Supercharged Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2004

 
Buick Rainier

4.2L L6 Gas DOHC,
5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick Rainier



4.2L L6 Gas DOHC,
5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Buick Regal

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Supercharged
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick Regal



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Supercharged Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Buick Rendezvous

3.4L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick Rendezvous



3.4L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1998

 

1999

 

1998

 
Buick Riviera

3.8L V6 Gas OHV Supercharged
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick Riviera



3.8L V6 Gas OHV Supercharged Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Buick Skylark

2.4L L4 Gas DOHC,
3.1L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Buick Skylark



2.4L L4 Gas DOHC,
3.1L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2004

 
Cadillac CTS

3.6L V6 Gas DOHC,
5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Cadillac CTS



3.6L V6 Gas DOHC,
5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Cadillac CTS

3.2L V6 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Cadillac CTS



3.2L V6 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Cadillac DeVille

4.6L V8 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Cadillac DeVille



4.6L V8 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Cadillac Eldorado

4.6L V8 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Cadillac Eldorado



4.6L V8 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Cadillac Seville

4.6L V8 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Cadillac Seville



4.6L V8 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2004

 
Cadillac SRX

3.6L V6 Gas DOHC,
4.6L V8 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Cadillac SRX



3.6L V6 Gas DOHC,
4.6L V8 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Cadillac XLR

4.6L V8 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Cadillac XLR



4.6L V8 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Astro

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Astro



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet Blazer

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Blazer



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Camaro

3.8L V6 Gas OHV,
5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Camaro



3.8L V6 Gas OHV,
5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Cavalier

2.2L L4 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Cavalier



2.2L L4 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Chevrolet Cavalier

2.2L L4 Bi-Fuel DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Cavalier



2.2L L4 Bi-Fuel DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2002

 
Chevrolet Cavalier

2.2L L4 Bi-Fuel OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Cavalier



2.2L L4 Bi-Fuel OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Cavalier

2.2L L4 Gas OHV,
2.4L L4 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Cavalier



2.2L L4 Gas OHV,
2.4L L4 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
Chevrolet Cavalier

2.2L L4 Bi-Fuel OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Cavalier



2.2L L4 Bi-Fuel OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Chevrolet Classic

2.2L L4 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Classic



2.2L L4 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2005

 
Chevrolet Corvette

6.0L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Corvette



6.0L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Corvette

5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Corvette



5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
Chevrolet Express 1500

5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 1500



5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Express 1500

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 1500



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Express 1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
Chevrolet Express 2500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 2500



4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Express 2500

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 2500



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2002

 
Chevrolet Express 2500

5.7L V8 Bi-Fuel OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 2500



5.7L V8 Bi-Fuel OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Express 2500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 2500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2001

 

2001

 
Chevrolet Express 2500

5.7L V8 CNG OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 2500



5.7L V8 CNG OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1999

 
Chevrolet Express 2500

6.5L V8 Diesel OHV Turbo
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 2500



6.5L V8 Diesel OHV Turbo Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
Chevrolet Express 3500

6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 3500



6.0L V8 CNG OHV,
6.0L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2002

 
Chevrolet Express 3500

5.7L V8 Bi-Fuel OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 3500



5.7L V8 Bi-Fuel OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Chevrolet Express 3500

8.1L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 3500



8.1L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Express 3500

5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 3500



5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2001

 

2001

 
Chevrolet Express 3500

5.7L V8 CNG OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 3500



5.7L V8 CNG OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
Chevrolet Express 3500

7.4L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 3500



7.4L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1999

 
Chevrolet Express 3500

6.5L V8 Diesel OHV Turbo
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Express 3500



6.5L V8 Diesel OHV Turbo Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Chevrolet Impala

3.8L V6 Gas OHV Supercharged
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Impala



3.8L V6 Gas OHV Supercharged Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
Chevrolet Impala

3.4L V6 Gas OHV,
3.8L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Impala



3.4L V6 Gas OHV,
3.8L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2001

 

2000

 

1999

 

1998

 

1997

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Lumina

3.1L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Lumina



3.1L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1998

 

1999

 

1998

 
Chevrolet Lumina

3.8L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Lumina



3.8L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1997

 

1997

 
Chevrolet Lumina

3.4L V6 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Lumina



3.4L V6 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Malibu

3.1L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Malibu



3.1L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1998

 

1997

 

1999

 

1998

 

1997

 
Chevrolet Malibu

2.4L L4 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Malibu



2.4L L4 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Chevrolet Monte Carlo

3.8L V6 Gas OHV Supercharged
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Monte Carlo



3.8L V6 Gas OHV Supercharged Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
Chevrolet Monte Carlo

3.4L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Monte Carlo



3.4L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Monte Carlo

3.8L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Monte Carlo



3.8L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1998

 

1997

 

1999

 

1998

 

1997

 
Chevrolet Monte Carlo

3.1L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Monte Carlo



3.1L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1997

 

1997

 
Chevrolet Monte Carlo

3.4L V6 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Monte Carlo



3.4L V6 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1998

 

1999

 

1998

 
Chevrolet P30

4.3L V6 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet P30



4.3L V6 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet S10

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet S10



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
Chevrolet S10

2.2L L4 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet S10



2.2L L4 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
Chevrolet S10

2.2L L4 Flex OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet S10



2.2L L4 Flex OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet S10

2.2L L4 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet S10



2.2L L4 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Chevrolet SSR

5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet SSR



5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Chevrolet Trailblazer

4.2L L6 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Trailblazer



4.2L L6 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Chevrolet Trailblazer EXT

5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Trailblazer EXT



5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Chevrolet Trailblazer EXT

4.2L L6 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Trailblazer EXT



4.2L L6 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet Venture

3.4L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Venture



3.4L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2012

 

2011

 

2012

 

2011

 
Chevrolet Volt

1.4L L4 Electric/Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Chevrolet Volt



1.4L L4 Electric/Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
GMC Envoy

4.2L L6 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Envoy



4.2L L6 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
GMC Envoy XL

5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Envoy XL



5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
GMC Envoy XL

4.2L L6 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Envoy XL



4.2L L6 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2004

 
GMC Envoy XUV

4.2L L6 Gas DOHC,
5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Envoy XUV



4.2L L6 Gas DOHC,
5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Jimmy

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Jimmy



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1998

 

1999

 

1998

 
GMC P3500

4.3L V6 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC P3500



4.3L V6 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
GMC Safari

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Safari



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
GMC Savana 1500

5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 1500



5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC Savana 1500

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 1500



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC Savana 1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
GMC Savana 2500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 2500



4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC Savana 2500

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 2500



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 2500

5.7L V8 Bi-Fuel OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 2500



5.7L V8 Bi-Fuel OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC Savana 2500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 2500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1999

 
GMC Savana 2500

6.5L V8 Diesel OHV Turbo
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 2500



6.5L V8 Diesel OHV Turbo Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
GMC Savana 3500

6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 3500



6.0L V8 CNG OHV,
6.0L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 3500

5.7L V8 Bi-Fuel OHV,
8.1L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 3500



5.7L V8 Bi-Fuel OHV,
8.1L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC Savana 3500

5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 3500



5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
GMC Savana 3500

7.4L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 3500



7.4L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1999

 
GMC Savana 3500

6.5L V8 Diesel OHV Turbo
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Savana 3500



6.5L V8 Diesel OHV Turbo Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Sonoma

4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Sonoma



4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2003

 
GMC Sonoma

2.2L L4 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Sonoma



2.2L L4 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
GMC Sonoma

2.2L L4 Flex OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Sonoma



2.2L L4 Flex OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Sonoma

2.2L L4 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

GMC Sonoma



2.2L L4 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Isuzu Ascender

4.2L L6 Gas DOHC,
5.3L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Isuzu Ascender



4.2L L6 Gas DOHC,
5.3L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

2000

 

1999

 

1998

 

1997

 
Isuzu Hombre

2.2L L4 Gas OHV,
4.3L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Isuzu Hombre



2.2L L4 Gas OHV,
4.3L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1998

 

1998

 
Isuzu NPR

5.7L V8 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Isuzu NPR



5.7L V8 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1999

 

1998

 

1999

 

1998

 
Oldsmobile 88

3.8L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Oldsmobile 88



3.8L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

1996

 

1996

 
Oldsmobile 88

3.8L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Eng. VIN K
Light Blue
 

Oldsmobile 88



3.8L V6 Gas OHV Fuel Cap/System Tester Adapter
Eng. VIN K
Light Blue

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Oldsmobile Achieva

2.4L L4 Gas DOHC,
3.1L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Oldsmobile Achieva



2.4L L4 Gas DOHC,
3.1L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Oldsmobile Alero

2.2L L4 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Oldsmobile Alero



2.2L L4 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 
Oldsmobile Alero

3.4L V6 Gas OHV
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Oldsmobile Alero



3.4L V6 Gas OHV Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2001

 

2000

 

1999

 

2001

 

2000

 

1999

 
Oldsmobile Alero

2.4L L4 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Oldsmobile Alero



2.4L L4 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle

2003

 

2002

 

2001

 

2003

 

2002

 

2001

 
Oldsmobile Aurora

4.0L V8 Gas DOHC
1
 
Fuel Cap/System Tester Adapter
Light Blue
 

Oldsmobile Aurora



4.0L V8 Gas DOHC Fuel Cap/System Tester Adapter
Light Blue

1 Per Vehicle
See More Fitments on Page 2 - or - Select Your Vehicle Above


Customers who bought Stant 12421 Fuel Cap Tester Adapter also purchased

Stant 12422 Fuel Cap Tester Adapter
Stant 12422 Fuel Cap Tester Adapter
Stant 12411 Friction Modifier
Stant 12411 Friction Modifier
Stant 12404 Fuel Cap Tester Adapter
Stant 12404 Fuel Cap Tester Adapter
Stant 12406 Fuel Cap Tester Adapter
Stant 12406 Fuel Cap Tester Adapter
Stant 12408 Fuel Cap Tester Adapter
Stant 12408 Fuel Cap Tester Adapter
Stant 12423 Fuel Cap Tester Adapter
Stant 12423 Fuel Cap Tester Adapter