David D.
2/17/2021
These guys really know their stuff. They provide OE quality product at an affordable price and are great at answering any questions I may have.
L & J Diesel Service
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(24)
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2345 Harper St
Jacksonville, FL 32204
L J Diesel Service in Jacksonville, FL, specializes in all types of diesel and turbo systems, offering top-quality service and a wide selection of specialty products. Their commitment to excellence is reinforced by their membership in the Association of Diesel Specialists, ensuring that customers receive quality parts and service.
The company features the Bosch EPS 815 Test Bench KMA Measuring System, which provides state-of-the-art diagnostics, and boasts a Dieselogic product line that incorporates the latest advancements in EUI and CRI testing technology. L J Diesel Service strives to deliver superior performance and reliability for all diesel needs.
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Reviews
2.024 reviews
Shem W.
11/19/2025
Don't buy from these guys. I ordered a set of LB7 injectors from them last year and from the first start the truck didn't run quite right and it just kept getting worse until it felt like the...
Joey D.
7/14/2023
Got a cup and injector o-ring kit for my 99 7.3 the o-rings lasted 110 miles had to take out and replace with OEM Ford ones because the seals are junk and the injector cup tool broke on the 4th...
Rick B.
9/3/2021
Save your money, buy your injectors from a place like Lincoln diesel. I bought remanufactured injectors for my 2003 LB7 from Diesel logic less than a year ago. They said they are test. No way...
Eddy M.
1/12/2021
Two years ago, I replaced my LBZ injectors on my GMC with another brand. They have caused me high exhaust temperature while towing and black smoke. I replaced them with L&J Diesel's premium...
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