Full Send Diesel Promo Codes and Coupons September 2025

Full Send Diesel

Full Send Diesel is an automotive lifestyle brand and e-commerce platform specializing in diesel truck parts, merchandise, and accessories. Founded by automotive enthusiasts, the company offers a wide range of products from performance parts to apparel, catering to diesel truck owners and enthusiasts.

fullsenddiesel.com

Today's Full Send Diesel discount codes

TOP PICK

10000 Bonus Entries

219 uses

low

worked over 1 year ago

10000 Bonus Entries Storewide at Full Send Diesel

Exclusive Pre-Launch Offer

48 uses

low

worked about 1 year ago

Exclusive Pre-launch Offer Storewide at Full Send Diesel

Pre-entry offer

37 uses

low

worked about 1 year ago

Pre-entry Offer Storewide at Full Send Diesel

Exclusive Pre-Launch Offer

71 uses

low

worked 11 months ago

Exclusive Pre-launch Offer Storewide at Full Send Diesel

Featured Full Send Diesel Products

XDP XTRA Cool Water Pump | 1989-2012 Dodge Ram With 5.9L/6.7L Cummins Engine

Replace the failed water pump in your Dodge Ram 5.9/6.7 diesel with the XDP XTRA Cool Water Pump XD672. This water pump is a direct-fit replacement that's manufactured to meet the factory specifications providing you with a perfect fit, finish, and function. Each unit includes a new o-ring and comes ready for installation. If shopping by OEM cross reference numbers, there are many water pumps that cover the 5.9L and 6.7L engines and many versions that have been superseded over the years. This water pump has the 82mm iron impeller which is an upgrade over the plastic impeller that was originally equipped on many models. Features: High-Quality Materials Direct-Fit Replacement Includes Mounting O-Ring Specifications: Fan Clutch Included: No Housing Material: Grey Iron Hub Height Inch: 3.861 Impeller Material: Grey Iron Impeller Rotation: Reverse Impeller Vane Quantity: 7 Includes Back Housing: No Installation Warnings: No Mounting Hardware Included: No Mounting Hole Quantity: 2 Pulley Diameter: 88mm

USD 65.95

XDP XTRA Cool Water Pump | 2003-2004 Ford 6.0L Powerstroke

2003-2004 Ford 6.0L Powerstroke

USD 99.95

FSD 94-98 5.9 12V Cummins Fabricated Upper Coolant Pipe

FSD's Metal coolant pipe is a great way to dress up your engine bay and replace your dry rotted factory coolant tube. Our coolant tubes are made from lightweight aluminum and use our high temp 5 ply boots & stainless steel clamps. Whats included? (1) Fabricated upper coolant pipe (4) Stainless steel t bolt clamps (2) 5 Ply high temp FSD boots Features: -Made from lightweight aluminum -Hand tig welded right here in the USA -Laser cut logo tag -Lifetime Warranty NOTE: -Please note that these pipes feature a polished look, but during the fabrication process they do endure some scratches and scuff marks. POWDER COAT OPTION: -If you select the custom powder coat option, we will contact you to assist with choosing your preferred powder color from the Prismatic Powders online selection.

USD 241.99

FSD 03-18 Dodge/Ram DIY Bolt On Traction Bar Kit

FSD’s DIY bolt on traction bar kit is here! This is the same as our complete traction bar kit except you will purchase the tube & weld the Supplied heim adaptors on yourself. We have spent several months designing a traction bar set that would not only look good, but function in the harshest of situations. Designed with ultimate precision using CAD drawings direct from Chrysler ensuring a perfect fit. Every single component that goes into our traction bar kit is of the highest quality and strength. We specifically designed these bars to be the beefiest bolt on option on the market. This system is pricey but we encourage you to pay close attention to the differences between ours & others available on the market. We use 2” OD 1/4” heavy wall tube & MASSIVE 1.25” joints on BOTH ends making these unbelievably strong & double adjustable. Grade 8 mounting hardware & Brushed 304 stainless steel overlays come standard in every kit. If you are looking for the best, you have found it. NOTE: The DIY kit includes everything needed to install other than the tube. You will need to purchase 2" OD x 1/4" Wall DOM tubing & weld the heim adaptors in yourself. The frame brackets & axles clamps come welded & ready to install. Features: DIY weld it yourself Bolt on axle clamps Bolt on frame mounts Grade 8 Hardware Included Laser Cut CNC Bent 1/4” Mild Steel Construction Lifetime workmanship warranty Made in the USA MASSIVE 1 1/4” Heims 304 Stainless Steel overlays Fitment: Fits 2003-2013 Dodge/Ram 2500's with a 4” (OD) axle tube. Fits 2003-2018 Dodge/Ram 3500's with a 4” (OD) axle tube & leaf spring suspension. Will not work with aftermarket airbag/helper bag systems. Please check your axle & make sure that our clamp system will fit. The clamp that goes around the rear axle is 3.15” wide. What’s Included ? (2) 3” Frame Mounts (10) 3/8” x 1” Flange Bolts (10) 3/8” Threaded Inserts (4) Grade 8 3/4”-10 x 5” Long Bolts (4) Grade 8 3/4”-10 Nylon Lock Nuts (8) Grade 8 3/4” Washer (2) Brushed 304 Stainless Steel “FSD” Overlays (2) 4” Axle Clamp Mounts (8) Grade 8 1/2”-13 x 1-3/4” Long Flange Bolts (8) Grade 8 1/2”-13 Nylon Lock Nuts (8) Grade 8 1/2” Washers (4) 1 1/4”- 1 Heim Joints (4) 1 1/4” - 1 Jamb Nuts (8) 2 5/8” Mounting Width Misalignment Spacers (2) Brushed 304 Stainless Steel Frame Mount Overlays (2) Brushed 304 Stainless Steel 2” Tube Overlays (Rivet on) (8) 1/8” Aluminum Rivets Frame Mount Installation: Hold the frame mount up where you would like to mount it. Mark & drill the top 3 holes using a 17/32nd Drill bit (0.531”). Install the (3) 3/8” -16 Nutserts. Bolt the bracket to the frame using the (3) 3/8" Bolts. Make sure that there are no gaps between the bracket & frame. Mark & drill the bottom 2 holes using a pilot bit. Remove the top 3 bolts. Remove the bracket Drill the 2 bottom holes using a 17/32nd Drill bit (0.531”). Install both bottom threaded inserts using a threaded insert tool. Reinstall bracket loosely Evenly tighten all 5 bolts using red high strength lock tight. Repeat on the other side. Axle Clamp Installation: Place the top clamp on the top of the axle. Hold the bottom half of the clamp up & install the supplied 1/2” bolts & nuts loosely. Position the clamp system how you want it. Evenly tighten the bolts snug. Readjust if necessary & torque to 90 Ft/lbs. Traction Bar Installation: Purchase 2" OD X 1/4" Wall DOM Tube. Short beds need 57" of length (Per Side) Long beds need 71" of length (Per Side) Inert the supplied tube adaptors into the tube. Please note that there should be one left hand thread & one right hand thread tube adaptor used per side. Weld the tube adaptors. Thread in the heims with the supplied jamb nuts. Install the traction bars. Torque 3/4” Bolts to 200 Ft/lbs. Spin the tubes to preload the traction bars. Tighten Jamb Nuts using red high strength lock tight. Check jamb nuts periodically. They can vibrate loose & ruin the threads inside the tube. NOTE: Brackets come raw steel & need to be painted or Powdercoated. Pictures are for visual purposes only.

USD 849.99

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10% off

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Note: Our community tests every Full Send Diesel promo code and shares results in real-time. Check success rates and shopping tips in the activity feed to find what works best for your purchase.

10% off

158 uses

low

worked almost 2 years ago

10% Off Storewide at Full Send Diesel

Pre-Launch Offer

87 uses

low

worked 12 months ago

Pre-launch Offer Storewide at Full Send Diesel

20% off

119 uses

low

worked over 2 years ago

Get 20% Off at Full Send Diesel

Pre-launch offer

17 uses

low

worked 3 months ago

Pre-launch Offer Select Items (access to Locked Site) at Full Send Diesel

More Full Send Diesel Products

FSD Cummins Stainless Steel Turbo To Manifold Stud Kit

Looking to replace your turbo to manifold bolts with studs? Look no further than FSD's stainless steel turbo to manifold stud kit. Our stainles studs have been proven time and time again on trucks ranging from 400 HP to well over 1000HP. These are the same studs we use in all of our high end 2nd gen swap kits and in house builds. When properly installed these studs will never break, rust or allow your exhaust manifold to leak at the turbo connection. Features- -Stainless Steel -Serrated Flange Nuts Ensure the nuts will not back out and loosen up -6 Point nuts -M10x1.50 Thread Pitch Fitment- 1994-2021 Cummins Exhaust manifolds with No spacer or a 1/2 Spacer. Exhaust manifolds must use M10x1.50 Thread pitch (Steed Speed)

USD 43.99

FSD 2003-2007 Dodge Cummins Heater Hose Kit Black Braided

Looking to replace your leaking heater hoses? Or would like to just get rid of those ugly rusty hardlines? Here at Full Send Diesel we have the solution. This is our heater hose kit. This kit, Like all of our other kits are made from the highest quality An fittings and hose. Backed by our lifetime workmanship warranty, we guarantee you the perfect product. This kit replaces your factory heater hoses with our braided kit. This includes all the necessary fittings and hose to get the job done. This kit does bypass the heat exchanger that's mounted on the side of the block. The heat exchanger is know to fail and mix coolant and transmission fluid together causing catastrophic failure. Lifetime warranty Billet AN fittings to ensure a leak free system Durable Hose All necessary fittings and hose included

USD 276.14

FSD 13-15 6.7 Cummins Fabricated Upper Coolant Pipe (Dual Radiators)

FSD's Metal coolant pipe is a great way to dress up your engine bay and replace your dry rotted factory coolant tube. Our coolant pipes are made from lightweight aluminum and use our high temp 5 ply boots & stainless steel clamps. Our coolant pipe not only dresses up your engine bay but it replaces the factory plastic Y pipe that is known to crack and leak coolant. Whats included? (1) Fabricated upper coolant pipe (4) Stainless steel t bolt clamps (2) 5 Ply high temp FSD boots Features: -Made from lightweight aluminum -Hand tig welded right here in the USA -Laser cut logo tag -Polished Note: Fits 2013-2015 6.7 Cummins with DUAL radiators only. Not compatible with dual Cp3 Kits or Fleece coolant bypass spacers -Please note that these pipes feature a polished look, but during the fabrication process they do endure some scratches and scuff marks. POWDER COAT OPTION: -If you select the custom powder coat option, we will contact you to assist with choosing your preferred powder color from the Prismatic Powders online selection.

USD 219.99

Kingspeed Billet 11-Current Fabricated 6.7 Powerstroke Lower Oil Pan

The Kingspeed Billet Fabricated Lower Oil Pan is the perfect addition to your 6.7 Powerstroke featuring an o-ring seal for easy installation and a magnetic drain plug for easy servicing and monitoring of your engine. Our design with integrated cooling fins leads to lower oil temps under the strenuous conditions you expect your truck to handle. Includes stainless mounting hardware. Please ask for an ETA, this item may have a longer lead time.

USD 439.99

Free gift

18 uses

low

worked 3 months ago

Free Gift Storewide (minimum Order $1) at Full Send Diesel

Giveaway entry multiplier

37 uses

low

worked about 1 month ago

Giveaway Entry Multiplier Storewide at Full Send Diesel

Sustainability Score

42%

Full Send Diesel shows limited transparency regarding their environmental practices and supply chain management. While they offer some eco-friendly alternatives in their product line, their core business model promotes high-emission vehicle modifications. The company lacks clear sustainability goals and reporting. Their packaging and shipping practices show room for improvement, and there's minimal information about their manufacturing partners' labor conditions.

About Full Send Diesel

3.0 (3)

FAQs

: Full Send Diesel usually runs major sales during Black Friday, Cyber Monday, and major holidays like Memorial Day and Labor Day. They also occasionally offer flash sales throughout the year.
: Yes, Full Send Diesel offers a 10% military discount to active duty personnel and veterans with valid identification.
: The best time to purchase performance parts is during their end-of-season sales (typically late winter and late summer) and during major holiday events like Black Friday.
: Yes, their 'Full Send Rewards' program allows customers to earn points on purchases which can be redeemed for discounts on future orders.
: In the past month, Full Send Diesel has launched 10 new promo coupons for shopper discounts. This indicates that Full Send Diesel provides regular opportunities for customers to save money on their purchases.
: On average, Full Send Diesel provides 5 discount coupons each month. Based on historical data, the average time between Full Send Diesel coupon releases every 6 days. However, this rate depends on various factors such as seasonal promotions (Black Friday, Cyber Monday, etc.), product launches, or other marketing initiatives. To stay informed about upcoming discounts and promotions, we recommend checking Full Send Diesel website regularly, subscribing to email newsletters, and following them on social media.
: Full Send Diesel is offering no working store-wide codes, however they are also offering 10 additional discount codes with a best discount of 10% off
: terra.coupons is the #1 provider of discount codes for your favorite retailers, such as Full Send Diesel. As a crowd-sourced platform for coupon codes, we accurate codes for over 10,000 stores. Save time and avoid expired codes by checking terra.coupons for the latest Full Send Diesel discount codes.

Curated by

Aleksa P.

Deal Curator

Last updated September 2025

Aleksa is a deal finder from the tech-savvy city of Austin, Texas. A keen coder by day and a discount guru by night, Aleksa checks back regularly to update you with new deals.

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From the blog

2025-04-29