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  3. Exhaust
  4. Catalytic Converter
  5. Catalytic Converter
  6. Walker 81666

Walker 81666 Catalytic Converter

Walker 81666 Catalytic Converter
Walker 81666 Catalytic Converter Image 1
Walker 81666 Catalytic Converter

Walker
Brand:Walker
Part Number: 81666
UPC: 086387816663
Weight: 14 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Walker 81666 Catalytic Converter for your vehicle. Buy now and secure your purchase online!

Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Direct-Fit Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit.

Features and Benefits:

  • BUY WITH CONFIDENCE -- Backed by Walker's 50,000-mile/80,000-kilometer emissions and structural integrity warranty
  • CARB COMPLIANT -- For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO & other states requiring CARB-compliant replacement converters. Consult your states aftermarket converter regulations.
  • CONSISTENT PERFORMANCE -- Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn't require specialized fabrication or welding
  • STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability
  • SUPERIOR TECHNOLOGY -- Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)

Specifications:

Air Tube Count:
No
Air Tube:
No
Body Height:
4.125 in.
Body Length:
10 in.
Body Material:
Stainless Steel
Body Shape:
Standard Oval
Body Width:
6.125 in.
California Air Resources Board (CARB) Certified:
Yes
Converter Quantity:
2
Grade Type:
Regular
Inlet 1 Type:
3 Bolt Welded Flange
Inlet Quantity:
1
Inlet Type:
3 Bolt Welded Flange
Mounting Hardware Included:
No
Outlet 1 Type:
2 Bolt Welded Flange
Outlet Quantity:
1
Outlet Type:
2 Bolt Welded Flange
Overall Length:
35.75 in.
Oxygen sensor location:
Post Catalyst
Substrate Material:
Ceramic
Universal Or Specific Fit:
Specific
Country of Origin:
US

Select a vehicle to narrow Walker 81666 Catalytic Converter fitment info!

Last Updated: 01/03/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2003

 

2003

 
Ford Ranger

3.0L V6 Flex OHV,
3.0L V6 Gas OHV
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



3.0L V6 Flex OHV,
3.0L V6 Gas OHV

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2003

 

2003

 
Ford Ranger

3.0L V6 Flex OHV,
3.0L V6 Gas OHV
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01FA
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



3.0L V6 Flex OHV,
3.0L V6 Gas OHV

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01FA
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2003

 

2003

 
Ford Ranger

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2003

 

2003

 
Ford Ranger

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT04.01FA
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT04.01FA
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2002

 

2002

 
Ford Ranger

3.0L V6 Flex OHV,
3.0L V6 Gas OHV
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



3.0L V6 Flex OHV,
3.0L V6 Gas OHV

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2002

 

2002

 
Ford Ranger

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2001

 

2001

 
Ford Ranger

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2001

 

2001

 
Ford Ranger

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Ford Ranger



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2003

 

2003

 
Mazda B3000

3.0L V6 Flex OHV,
3.0L V6 Gas OHV
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Mazda B3000



3.0L V6 Flex OHV,
3.0L V6 Gas OHV

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2003

 

2003

 
Mazda B3000

3.0L V6 Flex OHV,
3.0L V6 Gas OHV
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01FA
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Mazda B3000



3.0L V6 Flex OHV,
3.0L V6 Gas OHV

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 3FMXT03.01FA
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2002

 

2002

 
Mazda B3000

3.0L V6 Flex OHV,
3.0L V6 Gas OHV
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Mazda B3000



3.0L V6 Flex OHV,
3.0L V6 Gas OHV

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT03.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2002

 

2002

 
Mazda B4000

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Mazda B4000



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 2FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2001

 

2001

 
Mazda B4000

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Mazda B4000



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F5
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle

2001

 

2001

 
Mazda B4000

4.0L V6 Gas SOHC
1
 
Rear
 
CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type
 

Mazda B4000



4.0L V6 Gas SOHC

Rear CalCat
CARB Executive Order D-182-48
Engine Family Number (EFN) 1FMXT04.01F6
Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.
Additional part(s) needed to complete installation
31637 and 31372
Direct Fit Type

1 Per Vehicle