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UnderDog Diesel » 2026
Products for:
- Year: 2026
View Universal items for: 2026
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Items 1-21 of 21
Description: Filters Included
Item #: VSE-L5P-FSS
Condition:
New
Raw Aluminum - 5 business day lead time | Midnight Black - 10-15 business day lead time | Ground shipping only
Price: $478.99
NEW!
Description: Fitment Note:
Stock Cold Side Piping
WCFAB Cold Side Piping (Uses Billet Adapter/Coupler that came with the WCFAB Piping)
Item #: 24-25-TV-UPG-STOCK
Condition:
New
Limited Supply: Only 3 Left!
Price: $259.99
Engine Oil Pan
Description: For 2020-2026 Chevy/GMC 2500/3500 6.6L Diesel L5P
If the truck has a lift kit, contact us to verify fitment before purchase.
Item #: 35137-B
Condition:
New
Price: $476.67
Sale: $429.00
Save: 10%
Save: $47.67
NEW!
HP Tuners Custom Tuning
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
Item #: DSP-GM-HPT-24
Condition:
New
This product cannot ship to California.
Price: $1,650.00
NEW!
Description: Tuning Required
Now with Flush Flange at the Turbocharger
Item #: 255-01301
Condition:
New
Price: $334.75
Item #: 255-04604
Condition:
New
Price: $749.99
Item #: DMAX-BFC-6.6 + DMAX-BDC-2024
Condition:
New
Price: $90.48
Item #: FPE-L5P-MAP-SPR
Condition:
New
Price: $68.99
Description: Tune your 2024-2026 Silverado/Sierra 2500/3500 with the 6.6L L5P Duramax (E42 ECM) now using HP Tuners’ VCM Suite! This service is required to upgrade the E42 ECM in these diesel trucks for...More Details »
Item #: ECM-E42-L5P-U
Condition:
New
Lead Time is 3-5 Business Days once HP Tuners receives your ECM (not including shipping)
A shipping form will be emailed to you after purchase. Please ensure correct email at checkout to prevent further delays.
Price: $999.99
Description: HP Tuners is thrilled to offer support for the GM Global B T93 TCM found in various GM vehicles equipped with the GM 10L80 10-speed transmission. This upgrade service is required to enable...More Details »
Item #: TCM-GB-T93-UO
Condition:
New
Lead Time is 3-5 Business Days once HP Tuners receives your ECM (not including shipping)
A shipping form will be emailed to you after purchase. Please ensure correct email at checkout to prevent further delays.
Price: $399.99
Item #: HSP-D-605-2D-HSP-Raw
Condition:
New
Ships in 2 - 3 Weeks / Unless Informed Otherwise
Price: $320.00
Sale: $304.00
Save: 5%
Save: $16.00
NEW!
Description: Fits:
2020+ Chevrolet Silverado 2500HD / 3500HD
2020+ GMC Sierra 2500HD / 3500HD
Important Fitment Details:
This system will NOT work with Aftermarket Sway Bars. Be sure to confirm your sway bar diameter is 35MM prior to purchasing.
Item #: KRUSBB-G
Condition:
New
Price: $159.99
Sale: $151.99
Save: 5%
Save: $8.00
NEW!
Description: 2011+ Chevrolet Silverado 2500HD / 3500HD
2011+ GMC Sierra 2500HD / 3500HD
Item #: KRKN11
Condition:
New
Price: $99.99
Sale: $94.99
Save: 5%
Save: $5.00
Open Air Intake
Item #: 75-6002D
Condition:
New
CARB EO# -
Price: $379.00
Coolant Hose
Item #: SPE-S100163
Condition:
New
Price: $139.00
Intake Piping Kit
Item #: SPE-S100251
Condition:
New
Raw/Micro Wrinkle Black/Polished are generally in stock, all other colors carry a 2-4 week lead time.
Price: $1,249.00
NEW!
Description: **DOES NOT FIT EXTENDED CAB/SINGLE CAB TRUCKS/CAB AND CHASSIS TRUCKS
Upper Fuel Filter is Replaced with a Filter Delete Manifold to retain factory lines and routing under the hood.
Item #: SPE-S100210
Condition:
New
Price: $799.00
Description: Fits : 2020–2026 F-250 / F-350 / F-450 / F-550 6.7L Powerstroke
Item #: SPE-S100399
Condition:
New
Price: $399.00
Injector Hold Down
Item #: SPE-S100116
Condition:
New
Price: $459.00
Description: Will not fit AT4X and ZR2 models
Front Lift Height: 5"
Rear Lift Height: 4.5"
2 Piece Driveshafts Require P/N ZONC5612
Item #: ZONC43F
Condition:
New
Free Ground Shipping
Price: $2,071.50
Description: For Carrier Bearing Drop Mounted Below Cross-Member.
For Two-Piece Driveshafts common on CCLB Models when doing a lift kit.
Item #: ZONC5612
Condition:
New
Price: $50.95
Items 1-21 of 21