This part fits vehicles with your year, make and model. Please click the Fitment tab below and confirm your engine, chassis and transmission.

Shopping for a different vehicle? To make sure this part fit your vehicle Check The Fit

To make sure this part fit your vehicle Check The Fit

Attention! This part may not fit your vehicle!
To make sure this part does fit your vehicle Check The Fit

Engine Heater - Gm Genuine Parts - Engine Block Heater (Part Number: 12657629)

  • Price:   $  73.80

  • Availability: In Stock

Check The Fit

  • Body Height: 0.923 IN
  • Body Height: 23.45 MM
  • Body Length: 42.05 MM
  • Body Length: 1.656 IN
  • Body Outside Diameter: 44.45 MM
  • Body Outside Diameter: 1.75 IN
  • Body Width: 1.685 IN
  • Body Width: 42.81 MM
  • Electrical Connector Quantity: 1
  • Electrical Connector Shape: Triangle
  • Fits Hole Diameter: 40 MM
  • Fits Hole Diameter: 1.575 IN
  • Heater Element Material: Brass
  • Heater Type: Expansion Plug
  • Meets or Exceeds Original Equipment Manufacture Specifications: Yes
  • Mounting Hardware Included: No
  • Probe Diameter: 0.315 IN
  • Probe Length: 181.75 MM
  • Probe Length: 7.156 IN
  • Programming Required: No
  • Replaceable Cord: Yes
  • Thermostatically Controlled: No
  • Universal Or Specific Fit: Specific
  • Voltage: 120 VAC
  • Wattage: 1000 W
  • Application Summary: ChevroletChevroletGMCGMC
  • AAIA Part Type Description: Engine Heater
  • Extended Product Description: Engine Block Heater
  • CTO: CA
  • Harmonized Tariff Code (HTS): 8516100080
  • Life Cycle Status Code: 4
  • Life Cycle Status Description: Announced
  • Maximum Cases per Pallet Layer: 210
  • Pallet Layer Maximum: 1
  • Warranty Special: 24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details
  • Warranty Special UOM: TX

Product Details

Manufacturer:
Gm Genuine Parts
Part Number:
12657629
Manufacturer Part Number:
12657629
Description:
Engine Heater
Long Description:
Engine Block Heater
Part Type:
Engine Heater
Category:
Accessories
Subcategory:
Cylinder Block Components
Sales Rank:

Technical Details

Condition:
New
Product Fit:
Direct Fit
Weight:
0.2 lbs.
Height:
2.03"
Width:
2.03"
Length:
2.03"
UOM:
EA
Quantity Sold:
Sold individually
Minimum Order Qty:
1
Item Location:
Port Washington, NY

Specifications

Body Height
0.923 IN
Body Height
23.45 MM
Body Length
42.05 MM
Body Length
1.656 IN
Body Outside Diameter
44.45 MM
Body Outside Diameter
1.75 IN
Body Width
1.685 IN
Body Width
42.81 MM
Electrical Connector Quantity
1
Electrical Connector Shape
Triangle
Fits Hole Diameter
40 MM
Fits Hole Diameter
1.575 IN
Heater Element Material
Brass
Heater Type
Expansion Plug
Meets or Exceeds Original Equipment Manufacture Specifications
Yes
Mounting Hardware Included
No
Probe Diameter
0.315 IN
Probe Length
181.75 MM
Probe Length
7.156 IN
Programming Required
No
Replaceable Cord
Yes
Thermostatically Controlled
No
Universal Or Specific Fit
Specific
Voltage
120 VAC
Wattage
1000 W
Application Summary
ChevroletChevroletGMCGMC
AAIA Part Type Description
Engine Heater
Extended Product Description
Engine Block Heater
CTO
CA
Harmonized Tariff Code (HTS)
8516100080
Life Cycle Status Code
4
Life Cycle Status Description
Announced
Maximum Cases per Pallet Layer
210
Pallet Layer Maximum
1
Warranty Special
24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details
Warranty Special UOM
TX

The GM GENUINE PARTS Engine Heater contains no remanufactured components, and is designed to operate in either city or highway driving.

Year Make Model Engine Notes
2016ChevroletExpress 25006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2016ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2016ChevroletExpress 45006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2016ChevroletSilverado 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2016ChevroletSilverado 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2016GMCSierra 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2016GMCSierra 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2015ChevroletExpress 25006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2015ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2015ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2015ChevroletExpress 45006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2015ChevroletSilverado 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2015ChevroletSilverado 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2015GMCSierra 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2015GMCSierra 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2014ChevroletExpress 25006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2014ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2014ChevroletExpress 45006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2014ChevroletSilverado 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2014ChevroletSilverado 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2013ChevroletExpress 25006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2013ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2013ChevroletExpress 45006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2013ChevroletSilverado 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2013ChevroletSilverado 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2012ChevroletExpress 25006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2012ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2012ChevroletExpress 45006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2012ChevroletSilverado 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2012ChevroletSilverado 2500 HD6.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2012ChevroletSilverado 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2012ChevroletSilverado 3500 HD6.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2011ChevroletExpress 25006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2011ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2011ChevroletExpress 45006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2011ChevroletSilverado 2500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2011ChevroletSilverado 2500 HD6.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2011ChevroletSilverado 3500 HD6.6LVIN: 8, Eng Code: LML; Quantity needed per vehicle: 1
2011ChevroletSilverado 3500 HD6.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2010ChevroletExpress 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010ChevroletExpress 25006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2010ChevroletExpress 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010ChevroletExpress 35006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2010ChevroletExpress 45006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010ChevroletExpress 45006.6LVIN: L, Eng Code: LGH; Quantity needed per vehicle: 1
2010ChevroletSilverado 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010ChevroletSilverado 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010GMCSavana 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010GMCSavana 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010GMCSavana 45006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010GMCSierra 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2010GMCSierra 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009ChevroletExpress 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009ChevroletExpress 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009ChevroletExpress 45006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009ChevroletSilverado 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009ChevroletSilverado 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009GMCSavana 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009GMCSavana 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009GMCSavana 45006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009GMCSierra 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2009GMCSierra 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008ChevroletExpress 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008ChevroletExpress 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008ChevroletSilverado 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008ChevroletSilverado 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008GMCSavana 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008GMCSavana 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008GMCSierra 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2008GMCSierra 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007ChevroletExpress 25006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2007ChevroletExpress 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007ChevroletExpress 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2007ChevroletExpress 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007ChevroletSilverado 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007ChevroletSilverado 2500 HD Classic6.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2007ChevroletSilverado 3500 Classic6.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2007ChevroletSilverado 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007GMCSavana 25006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2007GMCSavana 25006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007GMCSavana 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2007GMCSavana 35006.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007GMCSierra 2500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2007GMCSierra 2500 HD Classic6.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2007GMCSierra 3500 Classic6.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2007GMCSierra 3500 HD6.6LVIN: 6, Eng Code: LMM; Quantity needed per vehicle: 1
2006ChevroletExpress 25006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006ChevroletExpress 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006ChevroletSilverado 2500 HD6.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006ChevroletSilverado 2500 HD6.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2006ChevroletSilverado 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006ChevroletSilverado 35006.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2006GMCSavana 25006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006GMCSavana 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006GMCSierra 2500 HD6.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006GMCSierra 2500 HD6.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2006GMCSierra 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2006GMCSierra 35006.6LVIN: D, Eng Code: LBZ; Quantity needed per vehicle: 1
2005ChevroletSilverado 2500 HD6.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2005ChevroletSilverado 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2005GMCSierra 2500 HD6.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2005GMCSierra 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2004ChevroletSilverado 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2004ChevroletSilverado 2500 HD6.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2004ChevroletSilverado 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2004ChevroletSilverado 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2004GMCSierra 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2004GMCSierra 2500 HD6.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2004GMCSierra 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2004GMCSierra 35006.6LVIN: 2, Eng Code: LLY; Quantity needed per vehicle: 1
2003ChevroletSilverado 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2003ChevroletSilverado 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2003GMCSierra 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2003GMCSierra 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2002ChevroletSilverado 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2002ChevroletSilverado 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2002GMCSierra 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2002GMCSierra 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2001ChevroletSilverado 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2001ChevroletSilverado 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2001GMCSierra 2500 HD6.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1
2001GMCSierra 35006.6LVIN: 1, Eng Code: LB7; Quantity needed per vehicle: 1

Warranty Information

New products purchased from our store are covered by a manufacturer warranty. Other than applicable manufacturer warranties, or as otherwise provided in these Terms & Conditions, there are no warranties, express or implied for any of our products, and we specifically disclaim any warranty of merchantability or fitness for a particular purpose for tires, aftermarket wheels, and tire & aftermarket wheel packages.

For defective parts, we provide a limited warranty of 30 days from the date received by the original purchaser, unless otherwise specified, which covers the replacement of a defective part(s). The warranty applies only to parts replacement with same or better quaity. All items must be in their original condition and must not be damaged due to incorrect installation upon return. If your purchase was damaged in transit, mis-shipped or turned out to be defective, don't worry we will send you a replacement or refund you in full if we are out of stock, upon return of the original order in the orignal condition. We will work with you returning such item\'s back to us and we will send replacement or will issue full refund usually within a few days after receiving the item back. We must be notified within 30 days of delivery of such order. Past 30 days you may claim warranty directly with the manufacturer, if applicable. Used part can be returned for replacement Only. Refund on used part will be issued when we are out of stock or at our discretion only. Please provide pictures if the order was received damaged, incomplete, mis-shiped etc.

  1. New products purchased from our store are covered by a manufacturer warranty. The manufacturer will allow the parts to be covered by their warranty provided that the part was not modified by the buyer.
  2. Under NO circumstances will our liability exceed the amount of the original sale.
  3. Products damaged as a result of abuse, misuse, improper repairs or maintenance, improper installation, alteration, or modification will not be covered by the warranty.
  4. All returned items must have the RA (Return Authorization) number written outside the shipping box prior to return. The RA Numbers can be obtained by creating a return from within your account. Returned items without RA numbers will not be accepted. 
  5. Our liability does not cover lost or stolen packages mailed back by the customer containing the parts being claimed under warranty. Because the customer is the shipper, customer is the only one who can file any lost claim with the shipping company. Therefore, the claim must be coordinated and processed through the shipping company by the customer. 


Can't find what you are looking for? Try searching by one of these methods below.