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UnderDog Diesel » 2018
Products for:
- Year: 2018
View Universal items for: 2018
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Item #: 25300
Condition:
New
Price: $55.00
Description: One extra high strength dowel pin
Item #: 29601
Condition:
New
Price: $2.50
Item #: DDP L5P-DCRKIT
Condition:
New
Price: $2,400.00
Sale: $2,280.00
Save: 5%
Save: $120.00
Description: L5P CP3 Conversion Kit with 10mm CP3 pump.
Item #: D06-C10-146
Condition:
New
Price: $3,250.00
Sale: $3,217.50
Save: 1%
Save: $32.50
Description: L5P CP3 Conversion Kit with 12mm CP3 pump.
Item #: D06-C12-146
Condition:
New
Price: $3,750.00
Sale: $3,712.50
Save: 1%
Save: $37.50
Description: L5P CP3 Conversion Kit with 14mm CP3 pump.
Item #: D06-C14-146
Condition:
New
Price: $4,250.00
Sale: $4,207.50
Save: 1%
Save: $42.50
Drop-In Turbocharger
Description: Brand New Turbo. No core charge
650-700HP Rating
100% Drop In
Item #: D06-T642-001
Condition:
New
Price: $2,795.00
Sale: $2,767.05
Save: 1%
Save: $27.95
Drop-In Turbocharger
Description: Brand New Turbo. No core charge
750-800HP Rating
100% Drop In
Recommended injector size of 100% overs to reach max potential.
Item #: D06-T662-001
Condition:
New
Price: $2,895.00
Sale: $2,866.05
Save: 1%
Save: $28.95
EZ Lynk Custom Tuning
Description: Included is a full support package for your 08-19 Powerstroke, this includes many files to suit your build.
Includes free TCM Tuning
All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS,...More Details »
Item #: DSP-FORD-EZLYNK-0819
Condition:
New
This product cannot ship to California.
Price: $859.99
EZ Lynk Custom Tuning
Description: Included is a full support package for your 2010-2021 6.7L Cummins, this includes many files to suit your build.
Includes 68RFE TCM TUNING!
All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS,...More Details »
Item #: DSP-RAM-EZLYNK-1021
Condition:
New
Price: $859.99
HP Tuners Custom Tuning
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
2017-2018 Models require the E41 ECM Upgrade Cable for ECM Unlocking, see suggested products below...More Details »
Item #: DSP-GM-HPT-17-23
Condition:
New
Price: $950.00
HP Tuners Custom Tuning
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
An TCM Read File will need to be emailed to sales@underdog-diesel.com with your order number so we can...More Details »
Item #: DSP-GM-HPT-1723-TCM
Condition:
New
Price: $350.00
Description: Tuning Required
Now with Flush Flange at the Turbocharger
Item #: 255-01301
Condition:
New
Price: $335.00
Item #: 255-04604
Condition:
New
Price: $749.99
Description: Universal Fitment
Fits 4" Systems
20" Length
Item #: 355-03400
Condition:
New
Price: $150.00
Description: Universal Fitment
Fits 5" Systems
20" Length
Item #: 355-03500
Condition:
New
Price: $180.00
Description: Universal Fitment
Fits 4" Systems
20" Length
Item #: 555-03401
Condition:
New
Price: $175.00
Description: Universal Fitment
Fits 5" Systems
20" Length
Item #: 555-03501
Condition:
New
Price: $205.00
Price: $299.00
Description: Fits: 2015 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel
Item #: DMAX-8356-EXT
Condition:
New
Price: $263.99
Free Shipping - Ground
Price: $43.99
Item #: DMAX-EOC
Condition:
New
Price: $44.99
Price: $62.99
Item #: DMAX-BFC-6.6LOCK
Condition:
New
Price: $79.99
Price: $171.08
Head Gasket Kit
Description: Includes
Mahle Upper Engine Gasket Kit
Mahle Grade C Head Gaskets
DogBone Head Studs
Item #: DogBone-L5P-HGK-STUDS
Condition:
New
Price: $999.00
Description: Grade 10.9 Hardware
Replaces Broken or Stripped Exhaust Manifold Bolts
Durable Black Oxide Coating For Corrosion Resistance
Item #: DogBone-EXH-MBSK-5.9/6.7L-CUMMINS
Condition:
New
Price: $59.95
Description: *See Fitment Guide in Description*
Black Oxide Coated
Higher Clamping Force
Allen Head For Easy Thread-In Installation
Includes (12) Studs, (12) Washers, & (12) 12-Point Nuts
Item #: DogBone-EXH-MSK-5.9/6.7L-CUMMINS
Condition:
New
Limited Supply: Only 3 Left!
Price: $89.95
Price: $59.99
Not Available
Price: $20.95
Description: Same tensile strength as ARP, at a more affordable price.
Item #: DogBone-HSK-5.9/6.7-CUMMINS
Condition:
New
Not Available
Price: $389.95
Description: Same tensile strength as ARP, at a more affordable price.
Item #: DogBone-HSK-1123-FORD-6.7L
Condition:
New
Limited Supply: Only 2 Left!
Price: $449.00
Description: Same tensile strength as ARP, at a more affordable price.
Item #: DogBone-HSK-17D
Condition:
New
Limited Supply: Only 3 Left!
Price: $419.00
Description: Replace your broken/cracked factory flexplate with our Heavy Duty Replacement.
Stamped from Cold Rolled Steel with Increased Thickness over OE.
Rated for up to 1000RWHP
Item #: Dogbone-DMAX-FP
Condition:
New
Price: $200.00
Cap for L5P Intake Horn
Description: Fits L5P Intake Horn PCV Provision
Item #: DogBone-7/8-L5P-CAP-KIT
Condition:
New
Price: $17.89
L5P Coolant Cap Kit
Description: Replacement for Cheap Vacuum Plugs in 'Fix Kits'
Item #: DogBone-1/4-L5P-COOLANT-CAP-KIT
Condition:
New
Price: $8.49
Description: -M8-1.25 thread size, 30mm thread length
-220+ KPSI tensile strength
-12-point bolt head
-Black oxide finish
-Lube Pack
Item #: DogBone-UPBK-L5P
Condition:
New
Price: $23.99
Fuel Filter
Item #: FL-D-P550943
Condition:
New
In Stock!
Price: $17.50
Fuel Injector
Item #: DDP L5P-100
Condition:
New
Price: $3,850.00
Sale: $3,657.50
Save: 5%
Save: $192.50
Fuel Injector
Item #: DDP L5P-50
Condition:
New
Price: $3,650.00
Sale: $3,467.50
Save: 5%
Save: $182.50
Fuel Injector
Item #: DDP L5P-STK
Condition:
New
Price: $365.00
Sale: $346.75
Save: 5%
Save: $18.25
Diesel Fuel Injection Pump
Item #: DDP NCP3-33412
Condition:
New
Price: $2,750.00
Sale: $2,612.50
Save: 5%
Save: $137.50
Fuel Injector
Item #: DDP N67-300
Condition:
New
Price: $4,800.00
Sale: $4,560.00
Save: 5%
Save: $240.00
Fuel Injector
Item #: DDP N67-90
Condition:
New
Price: $4,300.00
Sale: $4,085.00
Save: 5%
Save: $215.00
Fuel Injector
Item #: DDP N67-150
Condition:
New
Price: $4,500.00
Sale: $4,275.00
Save: 5%
Save: $225.00
Fuel Injector
Item #: DDP N67-200
Condition:
New
Price: $4,700.00
Sale: $4,465.00
Save: 5%
Save: $235.00
Diesel Fuel Injection Pump
Item #: DDP NCP3-334
Condition:
New
Price: $1,415.00
Sale: $1,344.25
Save: 5%
Save: $70.75
Fuel Injector
Item #: DDP 67-50
Condition:
New
Price: $2,850.00
Sale: $2,707.50
Save: 5%
Save: $142.50
Fuel Injector
Item #: DDP 67-90
Condition:
New
Price: $2,950.00
Sale: $2,802.50
Save: 5%
Save: $147.50
Fuel Injector
Item #: DDP 67-150
Condition:
New
Price: $3,050.00
Sale: $2,897.50
Save: 5%
Save: $152.50
Fuel Injector
Item #: DDP 67-ECO
Condition:
New
Price: $2,750.00
Sale: $2,612.50
Save: 5%
Save: $137.50
Diesel Fuel Injection Pump
Item #: DDP CP3-334
Condition:
New
Price: $930.00
Sale: $883.50
Save: 5%
Save: $46.50
Description: In-vehicle ECM unlock
Adds up to 150hp/350tq to the tires
Monitor displays important data like Soot, Miles Since Last Regen, EGT's, Boost and Fluid Temperatures
Economy (75hp/150tq), Towing...More Details »
Item #: 85400-262
Condition:
New
Price: $979.95
Description: -5.5" touchscreen with 21% more viewing area
-3.4X the processing power of the CTS3
-4X the RAM for better performance
-70% faster startup
-60 FPS display for smoother gauges
-Physical buttons...More Details »
Item #: 84130-4
Condition:
New
Available for Pre-Order, Orders begin Shipping November 3rd, 2026.
Price: $599.95
Price: $14.99
Description: Exergy 11-16 Chevy Duramax LML Improved Stock Inlet Metering Valve (FCA/MPROP)
Item #: E05 10505
Condition:
New
Price: $275.00
Description: Exergy 13-16 Dodge Cummins 6.7 Sportsman CP3 Pump (6.7C Based)
Item #: E04 20405
Condition:
New
Price: $1,270.00
Description: Exergy 13-18 Dodge Cummins 6.7 New 30% Over Injector (Set of 6)
Item #: E02 20405
Condition:
New
Price: $4,260.00
Description: Exergy 13-18 Dodge Cummins 6.7 New 45% Over Injector (Set of 6)
Item #: E02 20406
Condition:
New
Price: $4,338.00
Description: Exergy 13-18 Dodge Cummins 6.7 New 60% Over Injector (Set of 6)
Item #: E02 20407
Condition:
New
Price: $4,410.00