Stuck injector? Now what?
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
With stock, brand new Alliants, about 50k ago, I'm waffling between 5k and 10k intervals. 100% highway driving, 95% of that towing 13k 5th wheel RV, the rest of it sightseeing here and there. At 5k, the oil still looks like I just put it in. Can see that it's only slightly darkened. Getting ready for a Blackstone test this time when 10k rolls up. Still can see through the oil on the dipstick pretty easily.
Hotshot
Joined: Mar 2014
Posts: 10,750
Likes: 1,065
From: Douglassville, PA
In my experience, nothing rebuilt lasts as long as brand new. That includes engines, transmissions and now, injectors.
Former Vendor
Joined: Sep 2020
Posts: 2,597
Likes: 695
From: Florence, MT
Limited Lifetime Warranty card must be filled out entirely and returned within thirty (30) days with injector cores and proof of purchase to qualify. This warranty is only in effect for the original purchaser and original vehicle listed on registration. No transfers of ownership or vehicles allowed! Unlimited Diesel Performance Limited Lifetime Warranty covers all faulty 7.3L Power Stroke Fuel Injector(s) caused by defects in material and/or workmanship from internally lubricated moving parts, as well as Internal/external o-rings, and properly seated nozzle gaskets. This warranty also covers all modifications made to the 7.3L Power Stroke Fuel Injector by Unlimited Diesel Performance
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