Drive Lower Case Spring - Mopar (4377177)

Details

• Brand:

  

• SKU:

  4377177

• Other Names:

  04377177, Spring

• Description:

  The Mopar Drive Lower Case Spring (4377177) is a genuine OEM transmission component designed to provide proper return force for the underdrive piston within the front-wheel-drive transmission assembly. Manufactured to Mopar factory specifications, this spring ensures reliable operation, accurate piston movement, and long-term transmission performance.

  Engineered for use in select Mopar front-wheel-drive (FWD) vehicles, the drive lower case spring functions as an underdrive piston return spring, helping to return the piston to its proper position during transmission operation. Proper spring performance is essential for maintaining correct clutch and gear engagement, smooth shifting characteristics, and dependable transmission function.

  Constructed from high-strength spring steel, this component is designed to withstand repeated compression cycles, transmission fluid exposure, heat, and the demanding conditions encountered within the transmission assembly. Its durable construction helps maintain consistent spring tension and reliable operation throughout the service life of the transmission.

  This component is designed as a direct replacement for the original factory-installed underdrive piston return spring, allowing for proper installation using factory service procedures and OEM specifications.

  (1) Drive lower case spring – FWD underdrive piston return application

  Compatible with a range of Mopar vehicles equipped with corresponding front-wheel-drive automatic transmission assemblies.

  IMPORTANT FITMENT NOTICE: Fitment may vary depending on vehicle model, trim level, engine configuration, transmission type, production date, and equipped features. Providing your VIN (Vehicle Identification Number) is REQUIRED to verify correct fitment. Orders cannot be processed without a valid VIN included at the time of purchase. Always confirm compatibility with VIN before ordering.

• Condition: New
• Notes: Engines: All v6 engines. 2.8l i4 turbo diesel engine. 3.6l mid v6 engine. 1.6l i4 sohc 16v smpi. 2.0l i4 sohc 16v smpi engine. 2.8l i4 turbo diesel engine. 3.3l v6 ohv engine. 3.8l v6 ohv engine. 4.0l v6 sohc engine. 2.0l i4 dohc 16v smpi engine. 2.4l i4 dohc 16v ho turbo engine. 2.4l i4 dohc 16v smpi engine. 2.4l i4 dohc 16v turbo engine. 2.4l i4 dohc 16v smpi engine. 3.3l v6 ohv engine. 3.3l v6 ohv ffv engine. 3.5l v6 high output 24v mpi engine. 3.8l v6 ohv engine. 2.0l i4 turbo diesel engine. 2.4l i4 dohc 16v dual vvt engine. 2.4l i4 e22 dohc 16v dual vvt eng. 3.0l v6 24v vvt engine. 3.6l v6 24v vvt engine. 2.4l i4 dohc 16v dual vvt engine. 2.4l i4 pzev 16v dual vvt engine. 2.7l v6 dohc 24 valve mpi engine. 3.5l v6 high output 24v mpi engine. 4.0l v6 sohc engine. 2.7l v6 24v w/active intake engine. 2.7l v6 dohc 24 valve mpi engine. 3.2l v6 sohc 24 valve mpi engine. 3.5l v6 high output 24v mpi engine. 3.5l v6 sohc 24 valve engine. 3.5l v6 sohc 24v engine.
  Transmissions: Automatic vlp 42rle trans. Automatic 42rle transmission. 4-spd. 4-speed automatic vlp transmission. 6-speed automatic 62te transmission.
• Applications: Jet 4x2. Jet 4x4. Edition 4x2. Edition 4x4. 35th Anniversary Plus. 25th Anniversary Edition. 7-Passenger. 7-Passenger AWD. 2-Door 4x4. 4-Door 4x2. 4-Door 4x4. 4-Door 4x2. 4-Door 4x4. 4-Door 4x4 RHD. 42 4-Door. 44 2-Door. 44 2-Door RHD. 44 4-Door. 4x2. 4x4. 70th Anniversary 4x2. 70th Anniversary 4x4.

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