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- DIESELR Corp.
- Collections
- Top Products
Collection: Top Products
The Diesel Upgrades That Matter
Upgrade your diesel truck’s performance with our best power-boosting parts. From intake systems to exhaust upgrades, we’ve got everything to keep your truck running stronger, harder, and more efficiently. No gimmicks—just real diesel performance solutions.
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GDP Commander - BLANK (2020+ 6.7L Powerstroke/2017+ L5P Duramax)
Vendor:GDPSKU:GDPCOMM1001
Regular price $1,000.00 USDRegular priceUnit price / per -
EZ Lynk Full Support (Lifetime) Upgrade
Vendor:DIESELR TuningSKU:DSLRT-500130
Regular price $350.00 USDRegular priceUnit price / per$0.00 USDSale Price $350.00 USD -
DIESELR 3.5" Downpipe (2017-2023 Duramax L5P)
Vendor:DIESELR TuningSKU:255-01301
Regular price $287.50 USDRegular priceUnit price / per -
Rotary Switch Bracket (2017-2022 6.7L Powerstroke)
Vendor:GDPSKU:GDP22002
Regular price $23.99 USDRegular priceUnit price / per -
5 Position Switch (2015-2019 Powerstroke)
Vendor:GDPSKU:GDP210021
Regular price $59.95 USDRegular priceUnit price / per$0.00 USDSale Price $59.95 USD -
Motorcraft Engine Control Module - Unlocked (ECM) (2020-2022 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:LC3Z12A650KANP
Regular price $1,211.67 USDRegular priceUnit price / per$0.00 USDSale Price $1,211.67 USD -
DIESELR Downpipe Back Exhaust - Single (2020-2023 GM 2500/3500 6.6L Duramax L5P)
Vendor:DIESELR TuningSKU:255-01400
Regular price From $490.00 USDRegular priceUnit price / perFree Shipping
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OBDII CSP-5 Switch (2006-2021 Cummins MM3 & EFI ONLY) (2017-2023 Duramax L5P)
Vendor:GDPSKU:GDP610011
Regular price $84.95 USDRegular priceUnit price / per$0.00 USDSale Price $84.95 USD -
5 Position Switch (2011-2014 Powerstroke)
Vendor:GDPSKU:GDP210019
Regular price $59.95 USDRegular priceUnit price / per$0.00 USDSale Price $59.95 USD -
DIESELR Cat & DPF Race Pipes (2017-2023 GM 2500/3500 6.6L Duramax L5P)
Vendor:DIESELR TuningSKU:255-02402
Regular price $322.00 USDRegular priceUnit price / perFree Shipping
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MM3 Tune Options
Vendor:N/ASKU:mm3_hiss_rumble-1
Regular price $0.00 USDRegular priceUnit price / per$0.00 USDSale Price $0.00 USD -
DIESELR Downpipe/Turbo Back Exhaust - Single (2013-2018 Dodge 2500/3500 6.7L Cummins)
Vendor:DIESELR TuningSKU:355-01501
Regular price From $490.00 USDRegular priceUnit price / perFree Shipping
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4" Stainless Steel Downpipe (2020-2024 6.7L Powerstroke)
Vendor:No Limit FabricationSKU:67SSDP20.
Regular price $299.00 USDRegular priceUnit price / per -
Cooler Upgrade Kit (2010-2024 Cummins - PICKUP)
Vendor:GDPSKU:GDP620003
Regular price $205.85 USDRegular priceUnit price / per -
DIESELR EGR Upgrade Kit (2017-2019 Duramax 6.6L L5P)
Vendor:DIESELR TuningSKU:215-01006
Regular price $237.50 USDRegular priceUnit price / perFree Shipping
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Tuning Support Fee
Vendor:DIESELR TuningSKU:SUPPORT-FEE
Regular price $125.00 USDRegular priceUnit price / per -
5 Position SOTF/DSP Switch (Universal)
Vendor:GDPSKU:SWITCH-UNIV
Regular price $20.00 USDRegular priceUnit price / per$0.00 USDSale Price $20.00 USD -
Rotary Switch Bracket (2010-2021 6.7L Cummins)
Vendor:GDPSKU:GDP62001
Regular price $23.99 USDRegular priceUnit price / per -
DIESELR EGR Upgrade Kit w/ Coolant Bypass (2017-2019 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:115-01004
Regular price $175.00 USDRegular priceUnit price / perFree Shipping
Sold out -
Sold outDIESELR Universal Muffler
Vendor:DIESELR TuningSKU:355-03400
Regular price From $125.00 USDRegular priceUnit price / perFree Shipping
Sold out
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