MAHLE
MAHLE Grade A Cylinder Gasket For Chevy & GMC 55522
MAHLE Grade A Cylinder Gasket For Chevy & GMC 55522
Regular price
$83.00 USD
Regular price
$110.00 USD
Sale price
$83.00 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet & GMCFitment notes & questions
MAHLE Grade A Cylinder Gasket, listed for Chevrolet and GMC. An old gasket gets hard and shrinks with heat cycles, which is when leaks start. A new gasket restores the seal.
Quick facts
- Brand: MAHLE
- Part type: Gasket
- Listed for: Chevrolet and GMC
- Part number: 55522
Specifications
- Condition: New
Listed fitment
- s:
- Silverado 2500 HD Custom with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- 2021
- Silverado 2500 HD High Country with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- 2017 - 2021*
- 2017
- 2018
- 2019
- 2020
- Silverado 2500 HD LT with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Silverado 2500 HD LTZ with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Silverado 2500 HD WT with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Silverado 3500 HD High Country with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Silverado 3500 HD LT with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Silverado 3500 HD LTZ with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Silverado 3500 HD WT with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- 2020 2021
- Sierra 2500 HD AT4 with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- 2020 - 2021*
- Sierra 2500 HD Base with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 2500 HD Denali with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 2500 HD SLE with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 2500 HD SLT with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 3500 HD AT4 with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 3500 HD Base with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 3500 HD Denali with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 3500 HD SLE with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV ::
- Sierra 3500 HD SLT with engine V8 - 6.6L 6599cc 403ci DIESEL MFI Turbocharged vin Y type L5P - 4 valve OHV
Tip: Clean both mating surfaces completely and follow the bolt torque and sequence for your engine.

About this gasket for the Chevrolet & GMC
Replacing a gasket is usually more labor than parts, so it pays to replace any others you disturb on the way in.
Fitment notes
- Listed for: Chevrolet & GMC.
- Specs, lead time and warranty come from MAHLE and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Sealant where called for. Some joints need a dab of sealant at corners or seams; others must go on dry.
- Bolts and grommets. Rubber grommets and old bolts are worth replacing if they are damaged.
More for your car: GMC Parts · Chevrolet Parts · Engine
Questions about Chevrolet & GMC gasket
Will this fit my Chevrolet & GMC?
It is listed for the Chevrolet & GMC. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
Do I need sealant with this gasket?
It depends on the joint. Follow your engine service manual; many modern gaskets go on dry.
Can I reuse an old gasket?
No. Once compressed, a gasket will not seal reliably a second time.
Where do specs and warranty details come from?
From MAHLE. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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