Turbocharger Intercooler Bypass Valve - GM (12663879)
Genuine OEM GM Parts & Accessories - 12663879
Turbocharger Intercooler Bypass Valve - GM (12663879)
Genuine OEM GM Parts & Accessories - 12663879
- GM
- 12663879
- 12654928, 12657724, 12660418
Details
- Brand:
- SKU:
12663879
- Positions: Left
- Other Names:
By-Pass Pipe
- Description: GM Turbocharger Intercooler Bypass Valve (Part Number: 12663879) is a charge-air bypass valve used in turbocharged charge-air systems to route or relieve boost air flow as required by the engine control strategy. Specified for twin-turbo left-side components on certain 3.6L applications and produced to GM OE expectations.Order through World Parts Direct — a U.S. entity offering competitive prices, a compatibility guarantee, and OEM-backed support for technical questions.
- Type: Charge-air / bypass valve assembly
- Function: Diverts or relieves boost air flow in turbo/intercooler plumbing
- Application note: 3.6L twin-turbo left-side components (per master data)
- Also known as: By-Pass Pipe
- Quality: OEM-specified part designed to meet engine system requirements
- Condition: New
- Replaces:
12654928, 12657724, 12660418
- MSRP: $208.46
- Discount: $89.63 (43% off)
- Sale Price: $118.83
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- GM
- 12663879
- 12654928, 12657724, 12660418
Details
- Brand:
- SKU:
12663879
- Positions: Left
- Other Names:
By-Pass Pipe
- Description: GM Turbocharger Intercooler Bypass Valve (Part Number: 12663879) is a charge-air bypass valve used in turbocharged charge-air systems to route or relieve boost air flow as required by the engine control strategy. Specified for twin-turbo left-side components on certain 3.6L applications and produced to GM OE expectations.Order through World Parts Direct — a U.S. entity offering competitive prices, a compatibility guarantee, and OEM-backed support for technical questions.
- Type: Charge-air / bypass valve assembly
- Function: Diverts or relieves boost air flow in turbo/intercooler plumbing
- Application note: 3.6L twin-turbo left-side components (per master data)
- Also known as: By-Pass Pipe
- Quality: OEM-specified part designed to meet engine system requirements
- Condition: New
- Replaces:
12654928, 12657724, 12660418
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Vehicle Fitment
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GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Turbocharger Intercooler Bypass Valve for your 2014-2019 Cadillac CTS vehicle. GM Parts & Accessories Limited Warranty.
