853998A1 Aftermarket Mercruiser Fuel Injector Seal Kit V6 & V8 Engines | Sawley’s Select Marine Parts

🔧 Product Description

Sawley's Select Marine Parts Aftermarket MerCruiser Fuel Injector Seal Kit - Part Number: 853998A1

A new aftermarket replacement fuel injector seal kit for MerCruiser GM V6 and V8 throttle body injection engines. This kit replaces MerCruiser 853998A1 and related injector seal references used with compatible 4.3L, 5.0L and 5.7L TBI fuel systems.

⚙️ Key Features

• Sawley's Select Marine Parts aftermarket fuel injector seal kit

• Replaces MerCruiser OEM part number 853998A1

• Used on GM V6 and V8 TBI marine fuel-injection systems

• Suits injector sealing service on compatible throttle body injectors

• Cross-references with Sierra and Mallory seal kit replacements

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 853998A1 MerCruiser fuel injector seal kit reference

• 853998T related MerCruiser fuel injector seal kit reference

• 852957 related MerCruiser injector seal kit reference

• 851956A1 related MerCruiser injector seal kit reference

OEM / Related Numbers:

• 853998A1

• 853998T

• 853998

• 852957

• 851956A1

• Fuel injector seal kit

• Injector O-ring kit

• TBI injector seal kit

• Throttle body injector seal kit

Aftermarket / Verified Equivalents:

• Recmar: REC853998A1

• Sierra: 18-7690

• Mallory: 9-33305

• Basic Power: BPI9-33305

🚤 Compatibility

Commonly used on:

• MerCruiser GM V6 and V8 throttle body injection fuel systems

Typically suits:

• Engine models:

• MerCruiser MCM 4.3L GM V6 TBI applications using injector seal kit 853998A1

• MerCruiser MCM 4.3LX GM V6 TBI applications using injector seal kit 853998A1

• MerCruiser MCM 5.0L GM 305 V8 TBI applications using injector seal kit 853998A1

• MerCruiser MCM 5.7L GM 350 V8 TBI applications using injector seal kit 853998A1

• MerCruiser GM V6 TBI systems using injectors 852956A1 / 853998A1

• MerCruiser GM V8 305 CID TBI systems using injectors 852956A1 / 853998A1

• MerCruiser GM V8 350 CID TBI systems using injectors 852956A1 / 853998A1

• HP Range: engine-variant dependent

• Engine Type: MerCruiser GM petrol throttle body injection system

• Year Range: commonly mid-1990s to early-2000s TBI applications, serial-number controlled

• Serial Note: Match by exact engine serial number, throttle body assembly, injector number and seal kit diagram before installation.

🔌 Function

The fuel injector seal kit seals the injector into the throttle body assembly, helping prevent fuel leakage, vacuum leaks and poor fuel spray control.

Common signs replacement is needed:

• Fuel smell around throttle body

• Fuel seepage from injector area

• Hard starting after injector service

• Rough idle from poor injector sealing

• O-rings flattened, cracked or swollen

• Injector removed and seals require replacement

• Fuel spray or drip pattern affected by seal condition

📦 Condition

• Aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging