Description
Replace your exhaust manifold gasket with this Genuine GM Exhaust Manifold Gasket, part number 55507833, designed for 2020–2026 GM 3.0L Duramax diesel engines (LM2 & LZ0).
This is the original OEM steel gasket with integrated heat shield used from the factory on all LM2 and LZ0 engines. It is designed to provide a proper seal between the exhaust manifold and cylinder head while protecting surrounding components from heat.
Using a genuine GM gasket ensures proper fitment, durability, and long-term reliability compared to aftermarket alternatives.
Features:
– Genuine OEM GM exhaust manifold gasket
– Factory steel construction with integrated heat shield
– Provides proper exhaust sealing and heat protection
– Direct replacement for factory-installed gasket
– Built to GM specifications for durability and performance
Part Information:
GM Part Number: 55507833
UPC: 808709823872
Vehicle Fitment:
2020–2026 Chevrolet Silverado 1500 3.0L Duramax LM2 / LZ0
2020–2026 GMC Sierra 1500 3.0L Duramax LM2 / LZ0
2021–2026 Chevrolet Tahoe / Suburban 3.0L Duramax LM2 / LZ0
2021–2026 GMC Yukon 3.0L Duramax LM2 / LZ0
2020–2026 Cadillac Escalade 3.0L Duramax LM2 / LZ0
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