Thanksgiving - Black Friday / Cyber Monday Sale!

While other companies are already putting up plastic Santa's and playing holly-jolly music, we're busy bringing you some of the best deals around to keep you truckin'. Our Thanksgiving - Black Friday - Cyber Monday sales all begin Wednesday, November 23rd - 4PM MST. Shop smart ~ no need to freeze, standing in line, to maybe get a deal.

- The staff at USDieselParts


10% Off ARP Automotive Racing Products

ARP Automotive Racing Products is the leading manufacturer of high quality head studs, rod bolts, main studs and drive-line bolts. Now is a great time to save on bullet-proofing that engine. Shop Now!


10% Off BD Diesel Performance Products

BD has a wide array of performance parts available and are sought out for their expertise and having a proven track record for parts that last and go beyond expectations. Shop Now!


10% Off Bully Dog Products

Bully Dog has been on the the diesel scene for many years. Their award winning Platinum GT Tuner is a favorite of many die-hard diesel fans and it's for a good reason. Take adavantage now because you won't see a better sale price for about a year! Shop Now!


15% OFF MAP Pricing! - Dynomite Diesel Products

Dynomite Diesel Products started out as the secret the pro's used to win - their ace in the hole! They quickly became well known for having some of the best high-performance injectors and nozzles available. The guys at DDP are awesome enough that this deal is running all week long - 11/25 to 12/2. Shop Now!


$99 Install when buying any FASS Fuel System

Buy any FASS Titanium, FASS Adjustable or FASS Direct Replacment Pump between 11/25 & 11/29 and get it installed at our shop for just $99 Labor ~ A typical savings of over $250! Shop Now!


15% OFF Industrial Injection

If you've spent any amount of time being a diesel enthusiast, then you no doubt know the calibur of their performance products. It's a thrill working with anything Industrial Injection puts their name on. Few companies enstill this kind presense by name alone. When you want the very best, you know where to go. Shop Now!


10% OFF MBRP Performance Exhaust

MBRP has been one of our favorite diesel exhaust manufacturers for years. Lower your EGT's by updating your stock system to a 4" or 5" exhaust. Typical HP gains of 5%-10% just by letting your engine breath like it should and get that diesel truck sound you're looking for. Free shipping on most kits in the lower 48-States! Shop Now!


10% OFF OEM Diesel Parts

Get the parts your truck came original with. With the quality and reliability that comes from being the stock provider of diesel parts in America, it's tough to keep these parts on the shelf! For a short time only get 10% off these parts. Don't 'roll the dice' with aftermarket parts that may or may not work. Shop Now!


10% OFF Rotomaster

Rotomaster has become one of the nations fastest growing manufacturer of turbochargers. Over 30 years of experience, we've come to depend on thier turbo's when an affordable, no-nonsense, replacement is needed. With most of their turbocharges being NEW-Manufactured, the ease of have no core charge or core return has been a great boon for everyone involved! Shop Now!


FREE Installation for any S&B Cold-Air-Intake

Just a quick thank-you to our local patrons that have made our shop one of the busiest diesel shops in Missoula, Montana. Buy any Diesel S&B Cold-Air-Intake kit and we'll install it for free. Shop Now!


10% OFF South Bend Clutch

Servicing a manual transmission can be an expensive endeavor. If your truck's shifting feels like it's slipping, jumping, or just not a smooth as before; a new clutch may be necessary. 10% OFF a new Organic or Feramic clutch from South Bend could help ease the sting. Shop Now!


10% OFF SCT Performance Tuners

A few years back SCT and Bully Dog formed a software company called Derive Systems. While keeping the original brand names intact, they've combined their years of experience to make both better. SCT's X4 Programmer covers most Ford and Chevy, Gas or Diesel applications and gives some fantastic results. Shop Now!


10% OFF Torque Diesel Motorsport

We've pushed the Torque Diesel injectors pretty hard and for good reason. We've never seen an injector that can run this hard yet burn relatively clean. We run them in our competition truck with great success. Already less expensive then any comparable performance injector on the market, we're offering 10% OFF for a short time only. Shop Now!


10% OFF Zone Offroad Products

We all like our trucks sitting a bit higher than stock. For the Black Friday - Cyber Monday weekend we've set all Zone Offroad kits down 10%. From simple shock and coil systems up to full suspension upgrades, Zone Offroad should have your diesel sitting pretty. Shop Now!