Lowest Prices
up to 60% off
Same Day Shipping
on most orders
30 Day Money
Back Guarantee

ACDelco 12643703 Engine Crankshaft Position Sensor Spacer

ACDelco 12643703 Engine Crankshaft Position Sensor Spacer

ACDelco
Brand:ACDelco
Part Number: 12643703
UPC: 808709991403
Weight: 0.3 lbs
Condition:New



On Sale:

$29.51

Availability:
5 in Stock
Warehouse: US-4
Quantity:

Want to be sure that your part will fit?
Try our new part checker!

BeWise Part Checker

Product Information

Description:

Replacing the Engine Crankshaft Position Sensor Spacer on your vehicle? The ACDelco 12643703 is a genuine replacement, with the fit of an Original Equipment part.

Specifications:

Height:
1 in.
Length:
2.7 in.
Programming Required:
NO
Weight:
.11 lb
Width:
2.3 in.

Manufacturer Warranty:

24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.

Select Vehicle Above to Narrow Fitment Info!

Last Updated: 09/03/2021

Year Make Model Engine Vehicle Per Vehicle Fit Notes

Chevrolet

 

Express 2500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 2500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

Chevrolet

 

Express 2500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 2500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Express 2500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 2500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Express 2500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 2500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

Chevrolet

 

Express 3500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 3500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

Chevrolet

 

Express 3500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 3500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Express 3500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Express 3500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

Chevrolet

 

Express 4500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 4500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

Chevrolet

 

Express 4500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 4500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Express 4500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Express 4500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Silverado 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LML
8th VIN Digit: 8
 

Chevrolet

 

Silverado 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

Chevrolet

 

Silverado 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Silverado 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Silverado 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

Chevrolet

 

Silverado 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

Chevrolet

 

Silverado 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LB7
8th VIN Digit: 1
 

Chevrolet

 

Silverado 2500 HD Classic

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 2500 HD Classic

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

Chevrolet

 

Silverado 3500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

Chevrolet

 

Silverado 3500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

Chevrolet

 

Silverado 3500

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LB7
8th VIN Digit: 1
 

Chevrolet

 

Silverado 3500 Classic

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500 Classic

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

Chevrolet

 

Silverado 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LML
8th VIN Digit: 8
 

Chevrolet

 

Silverado 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

Chevrolet

 

Silverado 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

Chevrolet

 

Silverado 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
Chevrolet
Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Savana 2500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 2500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

GMC

 

Savana 2500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 2500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Savana 2500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 2500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Savana 2500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 2500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

GMC

 

Savana 3500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 3500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

GMC

 

Savana 3500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 3500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Savana 3500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Savana 3500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

GMC

 

Savana 4500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 4500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

GMC

 

Savana 4500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 4500

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Savana 4500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Savana 4500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Sierra 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LML
8th VIN Digit: 8
 

GMC

 

Sierra 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

GMC

 

Sierra 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Sierra 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Sierra 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

GMC

 

Sierra 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

GMC

 

Sierra 2500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LB7
8th VIN Digit: 1
 

GMC

 

Sierra 2500 HD Classic

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 2500 HD Classic

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

GMC

 

Sierra 3500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

GMC

 

Sierra 3500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LLY
8th VIN Digit: 2
 

GMC

 

Sierra 3500

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LB7
8th VIN Digit: 1
 

GMC

 

Sierra 3500 Classic

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500 Classic

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LBZ
8th VIN Digit: D
 

GMC

 

Sierra 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LML
8th VIN Digit: 8
 

GMC

 

Sierra 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LGH
8th VIN Digit: L
 

GMC

 

Sierra 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: LMM
8th VIN Digit: 6
 

GMC

 

Sierra 3500 HD

 
6.6L V8 Diesel OHV Turbo
 
GMC
Sierra 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Engine Crankshaft Spacer Ring
Eng: LMM
8th VIN Digit: 6