HGA-1000 Performance Oil Cooler Adapter Gasket For GM LS Engines, GM Part # 15203889 Equivalent

Name: HGA-1000 Performance Oil Cooler Adapter Gasket For GM LS Engines, GM Part # 15203889 Equivalent
Brand: IMPROVED RACING
SKU: 553-HGA-1000
Price: 4.00 USD
Availability: InStock

^$4⁰⁰

Ships on 09/15/2026

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Performance Oil Cooler Adapter Gasket

For GM LS Engines

GM Part # 15203889 Equivalent

Improved Racing HGA-1000 Features:

Upgrade over OEM oil cooler adapter gasket, GM part # 15203889
Features FKM (Viton) seals for better oil resistance and operating temperature range when compared to OEM

Part TypeFluid Cooler

BrandIMPROVED RACING

Package Height1.5

Package Width4.0

Package Length6.5

Weight1.0 PG

Part CategoryPerformance Parts

Vendor Part NumberHGA-1000

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

HGA-1000 Performance Oil Cooler Adapter Gasket For GM LS Engines, GM Part # 15203889 Equivalent

Improved Racing HGA-1000 Features:

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