Kennedy Diesel Performance's cover image

This profile has not been claimed by the business owner or representative.

to update business information, get appointment requests, engage visitors with web chat, and more!

Kennedy Diesel Performance

3.7

About this business

Location details

W3567 26th Rd, Loyal, WI, 54446, United States

Get directions
WeekdayScheduleStatus
Mon8:00 a.m. to 4:00 p.m.
Tue8:00 a.m. to 4:00 p.m.
Wed8:00 a.m. to 4:00 p.m.
Thu8:00 a.m. to 4:00 p.m.
Fri8:00 a.m. to 4:00 p.m.
SatClosed
SunClosed
3.723 reviews
Select a rating
Mark Occhiuzzo's profile image
Mark Occhiuzzo 
4 weeks ago

Terrible! The guy was nasty and wouldn't give a refund! They false advertise by saying it's a lift pump which it's not. It's just steady pressure and doesn't prime. That's what a lift pump is suppose to do. False advertising. Seems like this happens all the time he reports he deals with like 15 emails a day that his pumps don't work. Buy an Airdog or a Fass they are legit. This company shouldn't even be in business. He reports he never gives refunds.You can buy a simple lift pump generic for $60 that works better he wants $2... read more

Frank Fagan's profile image
Frank Fagan 
a month ago

This guy is extremely knowledgeable on GM diesels!! He's a no nonsense no bs guy. Super fast turn around time on ECM work. My LBZ has never been better. For those who give low star ratings....perhaps you dont know the difference between a hammer and a wrench?? 

Rocky Mtn Diesel and Auto's profile image
Rocky Mtn Diesel and Auto 
2 months ago

John is the man. Always enjoy working with him and sharing information. No nonsense approach, he speaks on what he knows with the intent of solving problems. Not many guys left in the industry like this. Keep it up John! 

Jeff Long's profile image
Jeff Long 
3 months ago

Installed a twin lift pump and mega filter on an 2001 lb7 in 2010. Still going strong, hadnto replace the oil pressure sensor once but am overall happy. 

Ed Manzer's profile image
Ed Manzer 
2 years ago

I have an 08 duramax, was have trouble with low fuel rail pressure code, listen to what he has to say about after market injectors, I was out of town when I put in first bank of injectors, didn’t know of any local diesel shops or of Kennedy diesel at that time, purchased them from nationwide parts store. Got home went to same parts store change and purchased the other bank of injectors, still had trouble with code, so I opted to replace CP3 purchased that from a local diesel shop in my area, which is a great quality shop als... read more

Frequently asked questions about Kennedy Diesel Performance

How is Kennedy Diesel Performance rated?

Kennedy Diesel Performance has a 3.7 star rating with 23 reviews. 

When is Kennedy Diesel Performance open?

Kennedy Diesel Performance is closed now. It will open tomorrow at 8:00 a.m. 

Need help? Contact us.

Speak with a specialist to learn how you can grow with Birdeye. We are reachable at profiles@birdeye.com