Your one-stop shop for heavy duty parts & accessories
Engine, driveline and wheel-end parts for CAT, Cummins and Detroit-powered trucks — in stock in Red Boiling Springs and on the road same day. Parts counter and full-service shop under one roof.
Shop by engine
Cummins ISX
Caterpillar
Detroit Series 60
Truck & trailer favorites
Trusted brands. Powerful performance.
Become a dealer. Drop-ship to your customers.
Repair shops, fleets and resellers get wholesale pricing on the whole catalog and can ship direct to their customers from our warehouse.
- Tiered wholesale pricing, visible once you're logged in
- Drop-shipping with blind packing slips
- Net-30 terms available after 90 days
- Dedicated parts rep, one call away
Dealer login
Demo only — the live store will use Shopify's B2B customer accounts with wholesale price lists.
T & T Merchandise
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All orders ship at 3 PM CT daily by UPS Ground, 2nd Day or Next Day Air. Freight quotes on bumpers and full kits.
Everything on the site is on the shelf in Red Boiling Springs and ready to ship.
Parts counter 615-699-7645 · Shop 615-699-7383 · parts@ttdieselservice.com (placeholder)
Top brands for all your heavy duty needs — engine, driveline, wheel end, lighting and chrome.
Parts you can count on to keep you moving. We install what we sell.
Knowledgeable team ready to help. Call the parts counter with your engine serial number.
Visit T & T Diesel Service today!
Your partner in performance, on the road and in the shop. Can't find it online? Call the parts counter — if we don't stock it, we can usually have it next day.
Red Boiling Springs, TN 37150
Saturday 7:00 AM – 12:00 PM
Sunday Closed