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Your cart is empty. ★Fitment -
For 2001-2005 Chevrolet Silverado 2500 HD 6.6L V8
For 2001-2005 Chevrolet Silverado 3500 6.6L V8
For 2001-2005 Chevrolet Silverado 3500 HD 6.6L V8
For 2001-2005 GMC Sierra 2500 HD 6.6L V8
For 2001-2005 GMC Sierra 3500 6.6L V8
For 2001-2005 GMC Sierra 3500 HD 6.6L V8
★Features -
Can be used for post-heating, as a result environmentally friendly: up to 40% less pollutant emissions during the warm up phase
Self-regulating to control electrical flow from the battery as temperatures rise to avoid overheating
Designed to give diesel engines the heat they need for cold starts
Extremely short pre-heating time: from 2 seconds
Reliable starting (even at -30 °C!)
Protects the engine during starting
No more cold start knocking
Quieter engine running
Mike
2025-08-20 16:26:23
GREAT PRODUCT
Customer
2025-08-18 12:53:32
Good price and work like they should.
Amanda Kent
2025-08-14 11:59:28
Exactly what I ordered. Seems to be good quality. My husband put them in and hasn't had issues.
derekdal
2025-06-20 15:51:03
These are not the same as oem, built completely different and weaker. Some say they don't Preheat as well as oem, I never got that far
Hammer
2025-05-13 12:27:32
Work great
Ryan Wilson
2025-05-12 12:04:11
Not for 2004.5 LLY probe an pin diameter too big.
M Cliver
2025-05-11 13:59:13
They are working good right now, but I am skeptical of how long they are going to keep working.
josh
2025-04-19 13:01:15
Dont work on lly duramax like it claims i think every other review must be down south where is doesnt get cold because these made my truck start worse on a 30° day them my originals on a 15° day and 3 of my originals were bad overall not happy should have went oem right from the start rather than trying to save a few bucks
Létourneau
2025-03-21 16:48:19
Oui le produit fonctionne bien
Paige Skryp
2025-03-03 10:05:04
Fit perfectly in my 2004 duramax. Been in there 8 months and are still going strong.
Jodi S
2025-02-21 10:42:55
I was pleased with the productLater found out price dropped 30.00 after I ordered it my loss but good deal for youThank you for the fast shipping.
kimlukacs
2025-01-13 12:52:00
A credit or refund for the product would be nice
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