Brands Vehicles

Lowest Prices

Free Returns

Online Since 2009

JOIN GEARS TO SAVE 5%

ACDelco 12555637 Engine Crankshaft


Brand:	ACDelco
Part Number:	12555637
UPC:	195491257887
Weight:	40.99 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the ACDelco 12555637 Engine Crankshaft for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Engine Crankshaft are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM regularly updates production and service part designs to integrate new materials and technologies
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Engine Stroke:

3.48 in.

Engine Stroke:

88.392 mm

Length:

20.327 in.

Length:

516.3 mm

Main Bearing Cap Bolt Quantity:

Material:

Nodular Cast Iron

Programming Required:

Type:

One Piece Rear Seal

Country of Origin:

Select a vehicle to narrow ACDelco 12555637 Engine Crankshaft fitment info!

Last Updated: 06/06/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

Chevrolet Astro

4.3L V6 Gas OHV

1

Chevrolet Astro

Chevrolet Blazer

4.3L V6 Gas OHV

1

Chevrolet Blazer

Chevrolet Express 1500

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X
RWD

Chevrolet Express 1500

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X
RWD

1 Per Vehicle

Chevrolet Express 1500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

Chevrolet Express 1500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

1999

Chevrolet Express 1500

4.3L V6 Gas OHV

1 USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

Chevrolet Express 1500

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

Chevrolet Express 2500

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X
Mfr Code: 4L60-E
RWD

Chevrolet Express 2500

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X
Mfr Code: 4L60-E
RWD

1 Per Vehicle

Chevrolet Express 2500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

Chevrolet Express 2500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

1999

Chevrolet Express 2500

4.3L V6 Gas OHV

1 USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

Chevrolet Express 2500

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

1999

Chevrolet P30

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

Chevrolet P30

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

2004

Chevrolet S10

4.3L V6 Gas OHV

1

Chevrolet S10

4.3L V6 Gas OHV
1 Per Vehicle

2003

Chevrolet S10

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X

Chevrolet S10

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X

1 Per Vehicle

Chevrolet S10

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

Chevrolet S10

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

1998

Chevrolet S10

4.3L V6 Gas OHV

1 EXTENDED BUILD FOR 1998 S/T TRUCK(ZN4)
Eng: L35
8th VIN Digit: W

Chevrolet S10

4.3L V6 Gas OHV EXTENDED BUILD FOR 1998 S/T TRUCK(ZN4)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

Chevrolet Silverado 1500

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X

Chevrolet Silverado 1500

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X

1 Per Vehicle

Chevrolet Silverado 1500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

Chevrolet Silverado 1500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

2007

Chevrolet Silverado 1500 Classic

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X

Chevrolet Silverado 1500 Classic

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X

1 Per Vehicle

GMC Jimmy

4.3L V6 Gas OHV

1

GMC Jimmy

4.3L V6 Gas OHV
1 Per Vehicle

1999

GMC P3500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

GMC P3500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

GMC Safari

4.3L V6 Gas OHV

1

GMC Safari

GMC Savana 1500

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X
RWD

GMC Savana 1500

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X
RWD

1 Per Vehicle

GMC Savana 1500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

GMC Savana 1500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

1999

GMC Savana 1500

4.3L V6 Gas OHV

1 USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

GMC Savana 1500

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

GMC Savana 2500

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X
Mfr Code: 4L60-E
RWD

GMC Savana 2500

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X
Mfr Code: 4L60-E
RWD

1 Per Vehicle

GMC Savana 2500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

GMC Savana 2500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

1999

GMC Savana 2500

4.3L V6 Gas OHV

1 USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

GMC Savana 2500

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

GMC Savana 3500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

GMC Savana 3500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

GMC Sierra 1500

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X

GMC Sierra 1500

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X

1 Per Vehicle

GMC Sierra 1500

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

GMC Sierra 1500

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

2007

GMC Sierra 1500 Classic

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X

GMC Sierra 1500 Classic

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X

1 Per Vehicle

2004

GMC Sonoma

4.3L V6 Gas OHV

1

GMC Sonoma

4.3L V6 Gas OHV
1 Per Vehicle

2003

GMC Sonoma

4.3L V6 Gas OHV

1 Eng: LU3
8th VIN Digit: X

GMC Sonoma

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X

1 Per Vehicle

GMC Sonoma

4.3L V6 Gas OHV

1 Eng: L35
8th VIN Digit: W

GMC Sonoma

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

1998

GMC Sonoma

4.3L V6 Gas OHV

1 EXTENDED BUILD FOR 1998 S/T TRUCK(ZN4)
Eng: L35
8th VIN Digit: W

GMC Sonoma

4.3L V6 Gas OHV EXTENDED BUILD FOR 1998 S/T TRUCK(ZN4)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

Oldsmobile Bravada

4.3L V6 Gas OHV

1

Oldsmobile Bravada

4.3L V6 Gas OHV
1 Per Vehicle

ACDelco 12555637 Engine Crankshaft

Product Information

Description:

Features and Benefits:

Specifications:

Select a vehicle to narrow ACDelco 12555637 Engine Crankshaft fitment info!

Chevrolet Astro 4.3L V6 Gas OHV

1

Chevrolet Astro

4.3L V6 Gas OHV 1 Per Vehicle

Chevrolet Blazer 4.3L V6 Gas OHV

1

Chevrolet Blazer

4.3L V6 Gas OHV 1 Per Vehicle

Chevrolet Express 1500 4.3L V6 Gas OHV

1

Eng: LU38th VIN Digit: XRWD

Chevrolet Express 1500

4.3L V6 Gas OHV Eng: LU38th VIN Digit: XRWD 1 Per Vehicle

Chevrolet Express 1500 4.3L V6 Gas OHV

1

Eng: L358th VIN Digit: W

Chevrolet Express 1500

4.3L V6 Gas OHV Eng: L358th VIN Digit: W 1 Per Vehicle

Chevrolet Express 1500 4.3L V6 Gas OHV

1

USED ON ENG CODE UBA,UBC Except ID 1999 PULL-AHEAD DESIGN(ZK3)Eng: L358th VIN Digit: W

Chevrolet Express 1500

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC Except ID 1999 PULL-AHEAD DESIGN(ZK3)Eng: L358th VIN Digit: W 1 Per Vehicle

Chevrolet Express 2500 4.3L V6 Gas OHV

1

Eng: LU38th VIN Digit: XMfr Code: 4L60-ERWD

Chevrolet Express 2500

4.3L V6 Gas OHV Eng: LU38th VIN Digit: XMfr Code: 4L60-ERWD 1 Per Vehicle

Chevrolet Express 2500 4.3L V6 Gas OHV

1

Eng: L358th VIN Digit: W

Chevrolet Express 2500

4.3L V6 Gas OHV Eng: L358th VIN Digit: W 1 Per Vehicle

Chevrolet Express 2500 4.3L V6 Gas OHV

1

USED ON ENG CODE UBA,UBC Except ID 1999 PULL-AHEAD DESIGN(ZK3)Eng: L358th VIN Digit: W

Chevrolet Express 2500

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC Except ID 1999 PULL-AHEAD DESIGN(ZK3)Eng: L358th VIN Digit: W 1 Per Vehicle

Chevrolet P30 4.3L V6 Gas OHV

1

Eng: L358th VIN Digit: W

Chevrolet P30

4.3L V6 Gas OHV Eng: L358th VIN Digit: W 1 Per Vehicle

Chevrolet S10 4.3L V6 Gas OHV

1

Chevrolet S10

4.3L V6 Gas OHV 1 Per Vehicle

Chevrolet S10 4.3L V6 Gas OHV

1

Eng: LU38th VIN Digit: X

Chevrolet S10

4.3L V6 Gas OHV Eng: LU38th VIN Digit: X 1 Per Vehicle

Chevrolet S10 4.3L V6 Gas OHV

1

Eng: L358th VIN Digit: W

Chevrolet Astro

4.3L V6 Gas OHV

4.3L V6 Gas OHV
1 Per Vehicle

Chevrolet Blazer

4.3L V6 Gas OHV

4.3L V6 Gas OHV
1 Per Vehicle

Chevrolet Express 1500

4.3L V6 Gas OHV

Eng: LU3
8th VIN Digit: X
RWD

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X
RWD

1 Per Vehicle

Chevrolet Express 1500

4.3L V6 Gas OHV

Eng: L35
8th VIN Digit: W

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

Chevrolet Express 1500

4.3L V6 Gas OHV

USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

Chevrolet Express 2500

4.3L V6 Gas OHV

Eng: LU3
8th VIN Digit: X
Mfr Code: 4L60-E
RWD

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X
Mfr Code: 4L60-E
RWD

1 Per Vehicle

Chevrolet Express 2500

4.3L V6 Gas OHV

Eng: L35
8th VIN Digit: W

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

Chevrolet Express 2500

4.3L V6 Gas OHV

USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

4.3L V6 Gas OHV USED ON ENG CODE UBA,UBC
Except ID 1999 PULL-AHEAD DESIGN(ZK3)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

Chevrolet P30

4.3L V6 Gas OHV

Eng: L35
8th VIN Digit: W

4.3L V6 Gas OHV Eng: L35
8th VIN Digit: W

1 Per Vehicle

Chevrolet S10

4.3L V6 Gas OHV

4.3L V6 Gas OHV
1 Per Vehicle

Chevrolet S10

4.3L V6 Gas OHV

Eng: LU3
8th VIN Digit: X

4.3L V6 Gas OHV Eng: LU3
8th VIN Digit: X

1 Per Vehicle

Chevrolet S10

4.3L V6 Gas OHV

Eng: L35
8th VIN Digit: W