Low Pressure Drop Transmission Oil Cooler LPD47391 - Advanced Cooling

In this review of the Low Pressure Drop Transmission Oil Cooler LPD47391 the bottom line is simple: this unit is for drivers who tow regularly or operate heavy duty vehicles and need reliable cooling without excessive pressure loss. The reviewer found the cooler effective for lowering transmission oil temperatures in cars, vans, light trucks and R.V.s when used in towing applications, and the single biggest reason to buy is its focus on advanced cooling protection while maintaining a low pressure drop design for sensitive transmissions.

Key Features

• Compatibility: Fits a wide range of vehicles including car, van, light truck and R.V. platforms so it works for many common towing setups.
• Low pressure drop: The unit is built to reduce flow restriction which helps preserve transmission line pressure and shift quality under load.
• Compact size: At 8.5in x 22.75in x 1.3in the cooler is low-profile and suited to low mounting positions where space is limited.
• Red finish: The included red cooler adds a visible installation component and helps identify the replacement part at service intervals.
• Hood or low mount install: Designed for hood or low mounting hardware arrangements, aiding flexible placement on many chassis.

Who It's For

This transmission cooler is aimed at owners of vehicles up to 40,000 GVW who regularly tow trailers, carry heavy loads, or operate in hot climates where transmission fluid temperatures climb. It is also appropriate for fleets and recreational vehicle owners who need an aftermarket cooler to supplement factory cooling.

It is less suitable for users who require a highly engineered, multi-core racing cooler or a unit specified for extreme off-road abuse; buyers needing a custom-fit OEM replacement with matched fittings should verify compatibility before purchase.

Pros & Cons

Pros

• Effective temperature control under towing loads, improving transmission protection.
• Low pressure drop design helps maintain proper line pressure and shifting behavior.
• Compact dimensions allow installation in tight, low-mount locations.
• Good value for the price, delivering needed cooling without high cost.

Cons

• Quality reports are mixed among users, so finish and long-term durability may vary between units.
• Package includes a single cooler without hoses or fittings, so additional parts may be required for some installs.

Specifications

Our Verdict

The LPD47391 transmission oil cooler is a practical, cost-conscious choice for towing and heavy duty service where extra cooling is required without introducing significant line pressure loss. It delivers clear value for owners who need improved transmission protection in everyday towing scenarios, though buyers should inspect units on delivery and plan for any extra fittings required for install.

Frequently Asked Questions

Will this cooler fit my light truck?
It is designed for cars, vans, light trucks and R.V.s; confirm the 8.5in x 22.75in x 1.3in dimensions and mounting clearance before ordering.

Does the package include hoses and fittings?
The package includes one red transmission oil cooler only; hoses and fittings are not included and may be needed for installation.

Is this safe for towing use?
Yes, the cooler is marketed for towing applications and designed to provide advanced cooling protection while minimizing pressure drop.