20878303, Harness Manufacturer: GM OEM part number: 20878303 Price: TBA See more part details Add to cart	Please help our community — upload your photos of 20878303.

About this 20878303 Harness

This part is a harness, chassis wiring, for Chevrolet Trucks, and GMC Trucks cars. It fits for 32 General Motors vehicles which were sold in the U.S.. It's a genuine General Motors part with an OEM part number 20878303. Please keep in mind that this harness is interchangeable with 20925586 for the U.S. market since November 1, 2012.

This harness 100% fits for General Motors cars. It's made of top quality materials, it has passed not only all manufacturer's tests but also General Motors quality control and has to endure rough road conditions over a long time.

Spare Part Information

Spare part packaging options

Part 20878303 Has Been Superseded

• 20878303 is interchangeable with 20925586 since November 1, 2012 for the U.S. market;
• 20925586 was replaced with 20878303 on October 1, 2011 for the U.S. market;
• 20951560 was replaced with 20925586 on October 1, 2011 for the U.S. market.

Related Parts

• Bolt 11588337
• Nut 11609412
• Harness 20878257
• Harness 20878259
• Harness 20878304
• Harness 20878306
• Harness 20878315
• Harness 20878316

This 20878303 harness fits

Chevrolet Trucks GMC Trucks

Silverado 2500 HD 2WD 2010...2012, 2009, 2008 Silverado 2500 HD Extended Cab 2WD 2010...2012, 2009, 2008 Silverado 2500 HD 4WD 2010...2012, 2009, 2008 Silverado 2500 HD Extended Cab 4WD 2010...2012, 2009, 2008 Silverado 2500 HD 2WD (New Style) 2007 Silverado 2500 HD Extended Cab 2WD (New Style) 2007 Silverado 2500 HD 4WD (New Style) 2007 Silverado 2500 HD Extended Cab 4WD (New Style) 2007

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