Currently running a fvp, which is just a gmb, and it works great.
Pros: works great
Reviews of GMB parts For Business
Average Rating
?
The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
4.2
Manufacturer Ranking
-
15
Spare Parts
1
Country
Japan
Spare Parts
Comparisons
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.
Pros: no problems, 5 years reliable
Part number: 1301280AL
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.
Pros: no leaks, reliable performance
Mileage: 32000 km
Me and various others I know have used GMB water pumps before with no issues.
Pros: no issues
I been running a Gmb pump for couple thousand miles now. Super cheap on rock auto, they also sell a high performance one. I bought both
Pros: super cheap
I usually use rock auto and get the gmb outlander pump.
Vehicle:
Mitsubishi Outlander
GMB is a decent pump.
Pros: decent pump
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.
Cons: squeaking noise, quite old
Vehicle:
Chrysler LHS
Mileage: 160934 km
Melling and Aisin are both premium WPs. Airtex is pretty good. GMB is ok.
Pros: ok quality
I put in a GMB in my '02 two years ago, and it's leaking already.
Cons: leaking, short lifespan
Vehicle:
BMW
Write your review
Help others - share your experience with this part.
Voted AGAINST engine oil RAVENOL on the rating page
The brake pads NIPPARTS got the first review!
The brake discs Hella got the first review!
The brake discs PILENGA got the first review!
For cabin filter Fram already 25 reviews.
For battery Energizer already 25 reviews.
For battery Deka already 50 reviews.
In the rating best shock absorbers already 13 brands participate!
In the rating best windshield already 14 brands participate!
In the rating best head gasket already 3 brands participate!
In the auto rating windshield for Subaru Outback already 5 brands participate!
In the auto rating headlights for Volkswagen Golf already 5 brands participate!
In the auto rating brake pads for Mazda 5 already 10 brands participate!
Voted AGAINST engine oil RED LINE on the rating page
Voted AGAINST engine oil PENNZOIL on the rating page
Owner reviews of GMB products
The GMB brand is registered in Japan. Official website is not specified yet.
In March 2026, PartReview recorded 15 reviews across 1 part by GMB. Average rating — 4.2 out of 5.
GMB is not yet in the PartReview manufacturers ranking due to insufficient reviews.
Popular GMB parts
The most popular GMB products on PartReview:
- Water pump GMB - 15 reviews. PR Score — 85, average rating — 4.2.
Most owner reviews about GMB parts are collected on these pages.
Top-rated GMB parts
GMB achieved top positions in these PartReview part rankings:
- Best water pump — ranked 6 among 12 manufacturers. Received 1867 votes.
Comparisons of GMB parts
The most interesting comparisons of GMB with other manufacturers help you see which is better: