Home/All Parts/Mishimoto/Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler

TRACKED DELIVERY

Fitment data included Warranty backed Tracked delivery

Product Details

The factory transmission oil cooler on your 2003-2007 Dodge Ram 5.9L Cummins is a liquid-to-liquid cooling unit, utilizing the engine's cooling system to cool the transmission fluid during warm outside temperatures and warm the fluid during cold outside temperatures. This design is tried and true, and it works. Until it doesn't. When they wear out and fail, it can leak coolant into your transmission fluid. Mixing coolant into your transmission fluid can have catastrophic results, and nobody wants to spend thousands of dollars to rebuild or replace their transmission if it can be avoided. The Mishimoto Replacement Transmission Oil Cooler is a direct fit, OEM replacement that requires no modification to install. Made to OEM specifications, this transmission oil cooler is equivalent to an OEM part. By replacing your transmission cooler preventatively, you can save your transmission from falling victim to premature failure.

Features

Includes new powdercoated bracket and brass fittings for easy installation
Equivalent to OEM specifications for fit and function
Durable, corrosion-resistant aluminum construction

Confirm this fits your vehicle. Use the “Check Fit” selector, or see the Vehicle Compatibility list below for confirmed years, makes and models.

Mishimoto

Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler

Name: Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler
Brand: Mishimoto
SKU: MISMMTC-RAM-03TQ
Price: 226.99 CAD
Availability: InStock

Part #: MISMMTC-RAM-03TQ In stock

$226.99

Price in CAD. Taxes & shipping calculated at checkout.

Check if it fits your vehicle

1Make

2Model

3Year

Shipping to Canada: $159.00 · ships from a US warehouse, duties included · usually 1-3 weeksEstimate, not a guarantee — if an order will take longer we contact you before taking payment.

Tracked shipping across CanadaShips from our distributor’s US warehouse · Duties included · Rate shown at checkout · 30-day returns · Shipping details

Tracked delivery across Canada.

Canadian-owned

CAD pricing and Canadian support

Warranty Backed

Manufacturer warranties honoured

Fitment Data

Fit info on thousands of parts

30-Day Returns

Unused parts, original packaging

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Fits these vehicles

2003–2007 Dodge Ram 25002003–2007 Dodge Ram 3500

Fitment data is provided as a guide — please verify before purchase.

Vehicle fitment

Estimated fitment — verify before purchase

Years	Make	Model
2003–2007	Dodge	Ram 2500
2003–2007	Dodge	Ram 3500

Engine: 5.9L Cummins

Check fitment before you order. We publish fitment from manufacturer and industry data and take care with it, but fit can depend on trim, cab and bed configuration, factory options and any modifications already on your vehicle. If you are unsure, contact us before ordering — and if fitment we published turns out to be wrong, we cover the return.