Drivetrain Automatic Transmissions and Components

Mopar /

Transmission Lock-Up Solenoid

$230.37

SKU: D78425

In Stock
In Stock
Ships by Aug 6
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

It includes a single O-ring and is marked 140-277-04-35, ensuring proper compatibility for transmission repair and maintenance. This unit is compatible with a wide range of transmissions including the 42RLE (2007-2009), 45RFE (2007-2008), 545RFE (2007-2010), 722.6 (1996-2014), NAG1 (2005-2018), NSG370 (2005-2008), 722.9 (2005), W5A580 (2005-2018), W5A380 (2003-2018), W5J400 (2007-2010), W5A330 (2005-2006), 850RE (2011), and 722.666 (2002-2005). Fitment extends to various Chrysler, Dodge, Jeep, Mercedes-Benz, Maybach, and Jaguar models produced between 1996 and 2018. Due to the high number of compatible vehicle configurations across these manufacturers, please verify specific transmission model year and drive type (AWD, RWD, or 4WD) compatibility for your vehicle before installation.

MIA's Description

The Mopar solenoid is a transmission lock-up torque converter clutch and pulse-width modulation component. This replacement part includes one O-ring and carries the marking 140-277-04-35.

Fitment

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Specifications

BrandMopar /
Part NumberD78425
CategoryDrivetrain

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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