That stp additive with casterol high mile age. Still have lifter noise but alot less. Runs smoother and quieter
Write your review about oil additives STP
Help others - share your experience with this part.
Voted AGAINST engine oil RAVENOL on the rating page
The brake pads OEM Alfa Romeo got the first review!
The brake caliper OEM BMW got the first review!
The brake pads OEM Infiniti got the first review!
For wiper blades PIAA already 100 reviews.
For battery Energizer already 25 reviews.
In the rating best water pump already 12 brands participate!
In the rating best timing belt already 13 brands participate!
In the rating best head gasket already 3 brands participate!
In the auto rating oil filter for Volkswagen Passat already 5 brands participate!
In the auto rating brake pads for Mazda 5 already 10 brands participate!
In the auto rating tires for Subaru Outback already 50 brands participate!
For cabin filter Fram already 25 reviews.
Voted AGAINST engine oil RED LINE on the rating page
Voted AGAINST engine oil PENNZOIL on the rating page
The brand is registered in UK. Official website: http://stp.one/.
In March 2026, PartReview does not yet have a formed opinion of STP oil additives. You can help by adding a review for STP oil additives.
Currently there are 1 review and 3 votes. Average rating — 4 out of 5. Vote balance: 3 up, 0 down.
Users also evaluated the qualities of STP oil additives:
Unfortunately, there are no car-specific ratings for this part yet. You can help by adding a review and specifying your car.
