★★★★★ 5
Great
Convenience
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Reviewed in the United States on August 18, 2020
Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans)Another product from Fleece Performance built out of necessity is the 2003 2013 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300 350hp engine. When the horsepower is increased there is an increased demand on the cooling system. The rear cylinders suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the system,
Quick Dispatch:
Your Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans) ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.3 ★★★★★
Based on 1521 reviews
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Product Reviews
★★★★★ 5
Fit my BMW E46 without issue
Color: Black
Worked well in my daughter’s E46. 325ci convertible.
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Reviewed in the United States on March 5, 2026
★★★★★ 1
Not so good
Color: Grey
My ashtray was broken, so I ordered this one. OK fit, but it broke in three months.
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Reviewed in the United States on October 25, 2024
★★★★★ 5
Perfect
Color: Grey, Color: Grey
Fits like a glove. Good quality. Looks great
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Reviewed in the United States on August 27, 2024
★★★★★ 4
Not OEM material, doesn’t slide as easily. Feels like it will last longer.
Color: Grey, Color: Grey
Thought it was going to be the same quality as OEM, might last longer but definitely has a different texture.
Fits well.
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Reviewed in the United States on February 24, 2026
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