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Heating and Cooling› Oil and Fluid Coolers

Fast Coolers

G56 Transmission Cooler Kit

Name: G56 Transmission Cooler Kit
Brand: Fast Coolers
SKU: 2FC300/G56KIT

$315.00 $305.55 Save $9.45

SKU: 2FC300/G56KIT

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$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Fast Coolers 2FC300/G56KIT is a pair of manual transmission coolers designed to replace stock PTO covers. These coolers add fluid capacity and case rigidity. They are constructed from extruded, heat-dissipating aluminum.

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The Fast Coolers Manual Transmission Cooler Kit (2FC300/G56KIT) offers an upgrade for manual transmissions by replacing the stock PTO covers with heat-dissipating aluminum units. This kit, sold as a pair, increases transmission fluid capacity by two quarts total (one quart per side), which helps to reduce operating temperatures by an average of 30 degrees Fahrenheit, especially under load or in overdrive. The aluminum construction also contributes to increased rigidity of the transmission case.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	Fast Coolers
Part Number	2FC300/G56KIT
Category	Heating and Cooling

Videos

FAST COOLERS DOUBLE BARREL PTO TRANSMISSION COOLERS INSTALL (DODGE 5500 G56)

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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