Building it better-that's why we use JASPER!

Breaking News! JASPER installs New Dynamometer for Long Range New Product/ Authentic Engine Testing. Craig Johnson Automotive in Rowland Heights is a proud partner with a company that is working to lead the way in the next generation of engine testing.  Jasper is always on a mission to design impeccable products that will keep them ahead of the competition and work best for their customers.  What is this new progression you ask? Jasper Engines and Transmissions has installed a computerized dynamometer that will help improve new products and for use with Jasper Authentic Custom Drivetrain division.

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JASPER Engines proud to be part of "Brave Men" Video



Country music singer/songwriter, Colton James, has become a regular visitor at Jasper Engines & Transmissions in recent months, not only to show his support for the 190 military veteran Associate-Owners that work at our facilities, but to share information about his project Harvest 4 Heroes.

JASPER Engines celebrates 75 years re-manufacturing the best engines, transmissions, and differentials for most trucks and cars on the roads today. We care about quality and have generations working for us. This video celebrates our brave men and women working here and we were exceptionally proud to be a part of the video. Thank you to all who have served and are currently serving our country on behalf of all of us here at JASPER.

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Our Transmission Process

JASPER 3 YEAR/100,000 MILE WARRANTY

JASPER can offer this beefy warranty on our remanufactured automatic and standard transmissions because every one of them goes through our extensive "Do It Right" process that ensures worry-free operation.  Our shop chooses JASPER because our customers deserve not only the best product and service we can provide but also the peace of mind that comes with high quality - dependable products like JASPER transmissions, engines, and differentials.  

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JASPER MARINE

Whether it’s a marine engine, stern drive, outboard lower unit or outboard powerhead, JASPER MARINE has the remanufactured product to get you back in the water - fast.

From laid back cruising to wide open throttle, JASPER MARINE provides all the power you need and expect for your boating pleasure while allowing you to keep your present boat. Precision machining and quality parts, combined with thorough testing, give JASPER MARINE engines and you the edge in remanufactured inboard and I/O engines.

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  • Jasper Pref
  • Acdelco
  • Asa
  • ASCCA
  • ASE
  • Bumper to Bumber
  • Cummins Diesel
  • Duramax Diesel
  • Fleet Services
  • Motorcraft Parts
  • Ford Power Stroke Diesel
  • RV Repair
  • Tires
  • Towing
  • Valvoline

Craig Johnson Automotive

19140 San Jose Ave
Rowland Heights, CA 91748

location small (626) 810-2281
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Weekdays:   8:00 AM - 5:00 PM
Saturdays: By Appointment

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