Improved Racing - Oil cooler gasket for GM LS series engines, Viton seals (Equivalent GM part # 15203889)
This performance gasket exceeds the specifications of the OEM oil cooler gasket for GM LS engines (GM part number 15203889). The gasket features FKM (Viton) rubber seals for improved durability and a wider operating temperature range when compared to the factory gasket. This gasket is used in Improved Racing's oil cooler adapters.
Features and Benefits
- Better than OEM with upgraded FKM (Viton) seals for improved oil resistance and operating temperature range
- Aluminum construction with edge-bonded seals
- Meets and exceeds OEM specifications for GM part number 15203889
Applications
- GM part number 15203889 equivalent
- Improved Racing oil cooler adapter part number EGM-107 (Batch numbers 160715 and higher)
- Improved Racing oil cooler adapter part number EGM-106 (Batch numbers 160921 and higher)
- Improved Racing oil cooler adapter part number EGM-112 and EGM-113 (Batch numbers 170103 and higher)
- Improved Racing oil cooler adapter part number EGM-114
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Improved Racing - Oil cooler gasket for GM LS series engines, Viton seals (Equivalent GM part # 15203889)
Improved Racing - Oil cooler gasket for GM LS series engines, Viton seals (Equivalent GM part # 15203889)
This performance gasket exceeds the specifications of the OEM oil cooler gasket for GM LS engines (GM part number 15203889). The gasket features FKM (Viton) rubber seals for improved durability and a wider operating temperature range when compared to the factory gasket. This gasket is used in Improved Racing's oil cooler adapters.
Features and Benefits
- Better than OEM with upgraded FKM (Viton) seals for improved oil resistance and operating temperature range
- Aluminum construction with edge-bonded seals
- Meets and exceeds OEM specifications for GM part number 15203889
Applications
- GM part number 15203889 equivalent
- Improved Racing oil cooler adapter part number EGM-107 (Batch numbers 160715 and higher)
- Improved Racing oil cooler adapter part number EGM-106 (Batch numbers 160921 and higher)
- Improved Racing oil cooler adapter part number EGM-112 and EGM-113 (Batch numbers 170103 and higher)
- Improved Racing oil cooler adapter part number EGM-114
Original: $4.00
-70%$4.00
$1.20Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This performance gasket exceeds the specifications of the OEM oil cooler gasket for GM LS engines (GM part number 15203889). The gasket features FKM (Viton) rubber seals for improved durability and a wider operating temperature range when compared to the factory gasket. This gasket is used in Improved Racing's oil cooler adapters.
Features and Benefits
- Better than OEM with upgraded FKM (Viton) seals for improved oil resistance and operating temperature range
- Aluminum construction with edge-bonded seals
- Meets and exceeds OEM specifications for GM part number 15203889
Applications
- GM part number 15203889 equivalent
- Improved Racing oil cooler adapter part number EGM-107 (Batch numbers 160715 and higher)
- Improved Racing oil cooler adapter part number EGM-106 (Batch numbers 160921 and higher)
- Improved Racing oil cooler adapter part number EGM-112 and EGM-113 (Batch numbers 170103 and higher)
- Improved Racing oil cooler adapter part number EGM-114
