FullSpecDiesel
Shop / Cooling / Fleece Performance Cummins Coolant Bypass Kit 2003-2007 Manual Transmission
Fleece Performance Cummins Coolant Bypass Kit 2003-2007 Manual Transmission
Fleece Performance Engineering

Fleece Performance Cummins Coolant Bypass Kit 2003-2007 Manual Transmission

MPN: FPE-CLNTBYPS-CUMMINS-MAN
$379
Ships From Supplier · Ships in 3–10 business days
Supplier availability is confirmed before your card is charged
Shipping calculated at checkout
Fitment verification required
Select your truck to continue

This product is vehicle-specific. Select your year, make, model, engine and transmission to confirm compatibility before adding it to your cart.

1

Select your truck to continue

Shipping calculated at checkout

Ships directly from the supplier. The final shipping cost will be shown before payment.

  • Ships from Fleece Performance Engineering
Need help confirming fitment?
Ships directly from our trusted supplier network.

The Fleece FPE-CLNTBYPS-MAN Coolant Bypass Kit addresses the common issue of poor coolant flow to the back cylinders in your 2003-2007 Dodge Ram 5.9L Diesel with manual transmission. As you add performance parts to your stock engine, the factory cooling system can no longer supply the demand for the increased heat that's generated. When coolant temperature increases, pressure begins to build to critical levels, potentially blowing the freeze plugs out on the engine block which can cripple your truck!By designing their coolant bypass kit with a temperature activated thermostat, the pressure never reaches damaging levels and ensures consistent temperatures across all six cylinders. Included with the kit are high-quality O-Ring fittings and AN hose connections with your choice of braided black nylon or braided stainless steel hose for a secure, leak-free installation.

Features:

Head Removal Not Required For Installation

Includes Temperature Activated Secondary ThermostatEnsures Consistent Coolant Temperature Across All CylindersAvailable with Braided Black Nylon or Braided Stainless Steel Hose1 Year Limited WarrantyNote: For trucks with manual transmissions only. Manufacturer Warranty: 1 Year Limited

Warranty
Warranty based on supplier terms

HSP offers a limited lifetime warranty to the original purchaser on eligible HSP products. Underhood powder coating has separate two-year limited coverage. Non-HSP brands follow their own manufacturer warranties. Discontinued products and customer/installer damage are excluded. Claim authorization is required; customer pays inbound shipping for ordinary claims.

Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

HSP Diesel warranty policyView complete warranty

Product conditions

Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

Return eligibility
HSP states returns must be postmarked within 30 days of purchase, new and unused with original tags and packaging, with an approved RMA. A 15% restocking fee and customer-paid return shipping apply. Special orders, non-HSP dropship products, apparel, used items and custom colors are excluded. Based on what HSP Diesel offers.
Return window
Not stated for this product; see supplier terms
Restocking fee
See supplier terms; no product-specific fee stated
Return shipping
Based on the supplier’s return policy; see terms
Made to order
No
Backorder status
Not backordered
Cancellation
Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
Warranty provider
HSP Diesel
Warranty duration
Product-specific duration not stated; see supplier terms
Compatibility
Listed for specific vehicle configurations
Legal use
Street legal
Processing estimate
3–10 business days supplier processing
Shipping
Shipping calculated at checkout
Signature
No signature requirement
Supplier
HSP Diesel

Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.