Currently running a fvp, which is just a gmb, and it works great.
I've been running the aluminum GMB pump (1301280AL on Rockauto) on the 455 in my '72 Bonneville for about 5 years now with no problems.
I have 20-25k miles on a GMB pump now and it hasn't leaked a drop. We'll see how long it goes, but so far I'm happy with it.
Graf & Hepu brand water pumps are both metal impeller high quality oem suppliers
I also used a kit from FCP Euro about 8 years ago and it included a HEPU water pump that worked fine for 7 years until I dismantled that car.
my hepu has been in for 9 years with zero issues
I checked the old water pump and took it out by removing the front plate of the engine... The old water pump moves fine but it does make a squeaking noise and is quite old however it does move.
I am dealing with a similar issue right now on my CJAA which I changed the timing belt in April this year. Leaking from same spot. Hepu waterpump.
a Hepu which went seven years/60,000 miles before it started leaking. I think the additional mass of the metal impeller put more stress on the bearing and seal.
Am pățit la fel dar cu o pompa Hepu, a mea a avut un sunet înainte să crape și la 120km/h a cedat axul, similar cum a fost a ta.
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If choosing water pump across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare water pump across these categories:
In March 2026 on PartReview, water pump Hepu were overall better than GMB.
In March 2026 on PartReview, water pump Hepu were overall more popular than GMB.
By vote balance, water pump Hepu surpassed GMB:
By number of reviews, water pump Hepu surpassed GMB:
In March 2026, according to PartReview, water pump Hepu led more car-specific ratings than GMB:
Hepu are chosen by owners of cars such as: Volkswagen Phaeton, and others.
Water pump GMB have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of water pump GMB with: OEM Volkswagen, OEM Audi, GRAF, AISIN, Gates, Pierburg, OEM FORD, OEM BMW, OEM Toyota, Saleri.
Also available: comparisons of water pump Hepu with: OEM Volkswagen, OEM Audi, GRAF, AISIN, Gates, Pierburg, OEM FORD, OEM BMW, OEM Toyota, Saleri.
You can also see who is better among other water pump manufacturers: OEM Audi or OEM Volkswagen, GRAF or OEM Volkswagen, AISIN or OEM Volkswagen, Gates or OEM Volkswagen, Hepu or OEM Volkswagen.
