GI Service Center - Engine Parts
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Engine Parts Featured Products
Items 1-59 of 59
Price: $1,971.20
banks power, derringer, tuner, GI SERVICE 2020 DURAMAX
Description: Adds up to +80 hp and +144 lb-ft, w/6 power levels
Value priced and loaded with Features: Adds up to 80 hp and 144 lb-ft, 6 power levels, works while in cruise-control, Data-Log up 100 parameters...More Details »
Item #: 67103
Condition:
New
Price: $954.44
Sale: $889.00
Save: 7%
Save: $65.44
2001-2004 LB7 Duramax Stage 3 High Flow Intake Bundle Kit
Description: -3" Fabricated Billet Y-Bridge
-3" Passenger (Cold) Side Intercooler Pipe
-3" Driver (Hot) Side Intercooler Pipe
- 4" Intake Pipe
- 14g Aluminum Construction
- Air Box with Lid
- Dry Air...More Details »
Item #: WCF100712
Condition:
New
Price: $2,025.00
Sale: $1,964.25
Save: 3%
Save: $60.75
WCFab 2001-2016 Duramax Billet Exhaust Manifolds
Description: WCFab 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. Outlet locations allow full...More Details »
Item #: WCF100363
Condition:
New
Price: $1,399.00
Sale: $1,357.03
Save: 3%
Save: $41.97
drop in, 2004.5-2010 GM 6.6L Duramax Garrett Stock Replacement Turbocharger
Description: GM Duramax Garrett Stock Replacement Turbocharger Features:
100% brand new replacement turbocharger
Direct replacement of factory unit
Provides a longer service life
Vehicle-specific design...More Details »
Item #: 848212-5001S
Condition:
New
Price: $1,530.91
drop in, cheetah, turbo, fleece
Description: 2004.5-2010 LLY, LBZ, LMM Duramax 63mm FMW Cheetah Turbo
Item #: FQWW-FPE-VNT63
Condition:
New
Price: $2,449.00
drop in, cheetah, turbo, fleece
Description: 2004.5-2010 LLY, LBZ, LMM Duramax 63mm FMW Cheetah Turbo (STREET)
Item #: FPE-VNT63
Condition:
New
Price: $2,499.00
Price: $2,959.95
Sale: $2,794.41
Save: 6%
Save: $165.54
drop in, 2011-2016 GM 6.6L Duramax Garrett Stock Replacement Turbocharger
Description: GM Duramax Garrett Stock Replacement Turbocharger Features:
100% brand new replacement turbocharger
Direct replacement of factory unit
Provides a longer service life
Vehicle-specific design...More Details »
Item #: 848212-5002S
Condition:
New
Price: $1,522.71
2011-2016 LML Duramax High Flow Y-Bridge Kit WCFAB
Description: Feature Points:
Flows 36% better than stock
Precision CNC Machined Cast Aluminum Construction
Includes 3 in., 14g aluminum, Fabricated High Flow Upper Intercooler Cross Over Pipe
Includes...More Details »
Item #: WCF100165
Condition:
New
Price: $949.00
Sale: $920.53
Save: 3%
Save: $28.47
2011-2016 LML Duramax Thermostat Housing
Description: - Direct Replacement for OEM Thermostat Housing
- Custom Powder Coat Finish
- Cleans up engine bay appearance
- Completes the look when also running one of our Upper Coolant Pipes
Item #: WCF100176
Condition:
New
Price: $179.00
Sale: $173.63
Save: 3%
Save: $5.37
Price: $2,959.95
Sale: $2,794.41
Save: 6%
Save: $165.54
Price: $1,971.20
Price: $2,959.95
Sale: $2,794.41
Save: 6%
Save: $165.54
Price: $153.00
Sale: $148.41
Save: 3%
Save: $4.59
2017-19 L5P DURAMAX STAGE 2 HIGH FLOW INTAKE BUNDLE KIT 2500HD 3500HD SILVERADO SIERRA L5P
Description: - 4 in. Aluminum Intake Pipe
- 3.5 in. Intake Horn with PCV Port and Surge Ring
- Air box enclosure with dry filter assembly and Outerwears pre-filter cover
- Installation hardware, 4 in....More Details »
Item #: WCF100441
Condition:
New
Price: $1,429.00
Sale: $1,386.13
Save: 3%
Save: $42.87
2017-19 L5P DURAMAX STAGE 3 HIGH FLOW INTAKE BUNDLE KIT 2500HD 3500HD SILVERADO SIERRA L5P
Description: - 4 in. Aluminum intake pipe
- 3.5 in. Intake horn with PCV port and Surge Ring
- Air box enclosure with dry filter assembly and Outerwears pre-filter cover
- Installation hardware, 4 in....More Details »
Item #: WCF100403
Condition:
New
Price: $1,745.00
Sale: $1,692.65
Save: 3%
Save: $52.35
2017-19 WCFAB L5P Duramax Cold Air Intake Kit 2500HD 3500HD SILVERADO SIERRA L5P
Description: Increased Horsepower and Torque
Increased Throttle Response & Sensitivity
Increase in Turbo and Engine Noise. This is NOT a plastic box and pipe, it is aluminum and you WILL experience more turbo...More Details »
Item #: WCF100344
Condition:
New
Price: $605.00
Sale: $586.85
Save: 3%
Save: $18.15
2017-2019 CHEVROLET / GMC COLD SIDE TUBE
Item #: 605-HSP-X
Condition:
New
Price: $328.95
Sale: $299.95
Save: 9%
Save: $29.00
2017-2019 CHEVROLET / GMC L5P 3" HOT SIDE INTERCOOLER TUBE
Item #: 600-1-HSP-X
Condition:
New
Price: $281.20
2017-2019 L5P DURAMAX HSP INTAKE
Description: NO TUNING REQUIRED:
Item #: 602-HSP-
Condition:
New
Price: $535.00
Description: - 8 New Modified Injectors
- Injector Coppers and O-rings
Item #: E02 10710
Condition:
New
Price: $4,440.00
Description: - 8 New Modified Injectors
- Injector Coppers and O-rings
Item #: E02 10706
Condition:
New
Price: $3,904.00
Description: - 8 New Modified Injectors
- Injector Coppers and O-rings
Item #: E02 10708
Condition:
New
Price: $4,120.00
WEHRLI CUSTOM FABRICATION L5P 3 1/2" Turbo Intake Horn 2017-2018 2500HD 3500HD SILVERADO SIERRA L5P
Description: WEHRLI CUSTOM FABRICATION L5P 3 1/2" Turbo Intake Horn
Item #: WCF100721
Condition:
New
Price: $226.98
2017-2024 L5P Duramax High Flow Turbo Intake Horn 2500HD 3500HD SILVERADO SIERRA L5P
Description: 2017-2024 L5P Duramax High Flow Turbo Intake Horn
Item #: WCF100775
Condition:
New
Price: $259.00
Sale: $251.23
Save: 3%
Save: $7.77
2017-2024 L5P Duramax Thermostat Housing 2500HD 3500HD SILVERADO SIERRA L5P
Description: 2017-2024 L5P Duramax Thermostat Housing
Item #: WCF100188
Condition:
New
Price: $179.00
Sale: $173.63
Save: 3%
Save: $5.37
2020-2024 L5P Duramax 4" Intake Kit with Air Box 2500HD 3500HD SILVERADO SIERRA L5P
Description: High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2021 L5P Duramax for improved engine...More Details »
Item #: WCF100702
Condition:
New
Price: $629.00
Sale: $610.13
Save: 3%
Save: $18.87
2020-2024 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2 2500HD 3500HD SILVERADO SIERRA L5P
Description: -4" Intake Pipe
-3 1/2" Intake Horn
-Air Box with Lid
-Dry Air Filter
-Outerwear's Pre-Filter Cover
-Hardware
-Seal for Connection to Functional Ram Air Port on Hood
-High Quality Silicone...More Details »
Item #: WCF100684
Condition:
New
Price: $835.00
Sale: $809.95
Save: 3%
Save: $25.05
2020-2024 L5P DURAMAX STAGE 2 HIGH FLOW INTAKE BUNDLE KIT 2500HD 3500HD SILVERADO SIERRA L5P
Description: - 4 in. Aluminum Intake Pipe
- 3.5 in. Intake Horn with PCV Port and Surge Ring
- Air box enclosure with dry filter assembly and Outerwears pre-filter cover
- Installation hardware, 4 in....More Details »
Item #: WCF100414
Condition:
New
Price: $1,515.00
Sale: $1,469.55
Save: 3%
Save: $45.45
2020-2024 L5P DURAMAX STAGE 3 HIGH FLOW INTAKE BUNDLE KIT 2500HD 3500HD SILVERADO SIERRA L5P
Description: - 4 in. Aluminum Intake Pipe
- 3.5 in. Intake Horn with PCV Port and Surge Ring
- Air box enclosure with dry filter assembly and Outerwears pre-filter cover
- Installation hardware, 4 in....More Details »
Item #: WCF100418
Condition:
New
Price: $1,829.00
Sale: $1,774.13
Save: 3%
Save: $54.87
2024+ DURAMAX BANKS AIR INTAKE
Description: The Ram-Air intake system for the 2024 Duramax 6.6L removes restrictions, sharpens turbo response, and improves fuel economy by increasing air mass flow. Banks patented Air Mass Control Module...More Details »
Item #: 42285
Condition:
New
Price: $550.00
Sale: $495.00
Save: 10%
Save: $55.00
EZ L5P DURAMAX MODULE
Description: 2024-2025 GM 2500/3500 6.6L L5P Duramax
Item #: 20202
Condition:
New
Price: $607.95
Sale: $539.95
Save: 11%
Save: $68.00
EZ+INSIGHT CTS3 L5P DURAMAX KIT
Description: 2024-2025 GM 2500/3500 6.6L L5P Duramax
Item #: 20202-3
Condition:
New
Price: $979.95
6.6L Duramax Billet Coolant Block Off Plate (2001-2025)
Description: Upgrade your rear engine cover and stop the coolant leaks for good!
Our blocking plate is thicker than the stock plate and has an integral square cut O-ring with no gasket required. OE covers...More Details »
Item #: FPE-DMAX-CBOP
Condition:
New
Price: $58.79
Sale: $55.00
Save: 6%
Save: $3.79
Item #: 8301X1
Condition:
New
Price: $663.00
Sale: $574.82
Save: 13%
Save: $88.18
Allison Transmission Cooler Lines for 2006-2010 (LBZ-LMM)
Description: Allison Transmission Cooler Lines for 2006-2010 (LBZ-LMM)
Item #: FPE-TL-LBZ-LMM
Condition:
New
Price: $282.45
Sale: $269.00
Save: 5%
Save: $13.45
drop in, cheetah, turbo, fleece
Description: The BRAND NEW NO CORE CHARGE 63mm FMW Duramax VNT Cheetah Turbocharger
Item #: FPE-LML-VNT-63-FMW-N
Condition:
New
Price: $2,649.00
CCV Upgrade Kit (2017-2023 Duramax 6.6L L5P)
Description: CCV Upgrade Kit (2017-2023 Duramax 6.6L L5P)
Item #: 215-02001
Condition:
New
Price: $395.00
Sale: $345.00
Save: 13%
Save: $50.00
banks power, derringer, tuner, GI SERVICE 2017-2019 DURAMAX
Description: Adds up to +61 hp and +112 lb-ft, w/6 power levels
Value priced and loaded with Features: Adds up to 61 hp and 112 lb-ft, 6 power levels, works while in cruise-control, Data-Log up 100 parameters...More Details »
Item #: 22074
Condition:
New
Price: $954.44
Sale: $859.00
Save: 10%
Save: $95.44
Description: Solve Common Duramax Issues with one Kit
Upper and Lower Valve Cover Seals and Gaskets
Exhaust Manifold Gaskets
Up Pipe Gaskets
Turbo Oil Feed ad Drain Gaskets
EGR Cooler and Emission Gaskets...More Details »
Item #: 016-HS54580C
Condition:
New
Price: $476.90
Description: Solve Common Duramax Issues with one Kit
ARP Studs
Complete Head Gasket Set with Grade "C" Head Gaskets
Item #: HEADGASKET
Condition:
New
Price: $1,175.00
DURAMAX LONG BLOCK
Description: DURAMAX REBUILT LONG BLOCK
01-16 DURAMAX please inquire for 17+ prices
Item #: DMX LONG BLOCK
Condition:
New
Price: $8,995.00
Edge 22400 Pulsar Tuner | 17-19 Duramax L5P SILVERADO / SIERRA DURAMAX 6.6L
Description: Pulsar is the most innovative performance in-line tuner to ever hit the market. The Pulsar inline module has made waves among truck owners. The industry-exclusive technology, now available via...More Details »
Item #: EDG-22400
Condition:
New
Price: $944.95
Exergy LML Stainless 9th Injector Plug w/O-Ring
Item #: 1-018-342
Condition:
New
Price: $23.00
FASS Fuel Systems Billet L5P 2017-2024 Duramax Fuel Filter Cap 2500HD 3500HD SILVERADO SIERRA L5P
Description: FASS Fuel Systems Billet L5P 2017-2024 Duramax Fuel Filter Cap
Item #: BFC1001K
Condition:
New
Price: $116.00
Sale: $110.20
Save: 5%
Save: $5.80
CYLINDER HEAD
Description: Freedom Series Duramax Cylinder Head for 2011-2016 LML (Driver Side)
New casting
New valve guides, new springs, and new valve seals
Pressure and leak tested
Precision ground stock valves with a 45 degree angle
Multi-angle valve job
Item #: FPE-61-10004-D
Condition:
New
Price: $1,149.00
Sale: $1,099.00
Save: 4%
Save: $50.00
CYLINDER HEAD
Description: Freedom Series Duramax Cylinder Head for 2011-2016 LML (Passenger Side)
New casting
New valve guides, new springs, and new valve seals
Pressure and leak tested
Precision ground stock valves with a 45 degree angle
Multi-angle valve job
Item #: FPE-61-10004-P
Condition:
New
Price: $1,149.00
Sale: $1,099.00
Save: 4%
Save: $50.00
CYLINDER HEAD
Description: Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Driver Side)
Cupless injector bore - no injector cups to leak again ever!
New aluminum casting
New valves,...More Details »
Item #: FPE-61-10001
Condition:
New
Price: $1,149.00
Sale: $1,099.00
Save: 4%
Save: $50.00
CYLINDER HEAD
Description: Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (PASSENGER Side)
Cupless injector bore - no injector cups to leak again ever!
New aluminum casting
New valves,...More Details »
Item #: FPE-61-10001
Condition:
New
Price: $1,149.00
Sale: $1,099.00
Save: 4%
Save: $50.00
Description: NOT SURE WHAT TO GET SOMEONE. GIVE THEM A GIFT CARD.
GOOD TOWARDS ANY PURCHASE FROM G I SERVICE.
HAVE QUESTIONS ABOUT IT. FEEL FREE TO EMAIL US.
Item #: UNLIMITED
Condition:
New
Price: $1.00
HSP Diesel Ceramic Billet Manifolds - 01-16 Chevy/GMC Duramax
Item #: 019-HSP-C
Condition:
New
Price: $1,399.00
Sale: $1,187.50
Save: 15%
Save: $211.50
2019+ L5P DURAMAX HYPERTECH IN-LINE SPEEDO CALIBRATION MODULE
Description: The Hypertech Speedometer Calibrator can correct your speedometer for non-stock tires and/or gear ratios. The simple on-screen menu quickly guides you through the process, and in a matter of...More Details »
Item #: 730129
Condition:
New
Price: $324.76
Sale: $249.95
Save: 23%
Save: $74.81
Exhaust Pipe
Description:
MBRP Performance Exhaust 3" Down Pipe
Item #: GM8424
Condition:
New
Price: $229.99
Pulsar Kit 2017-2019 GM Duramax L5P (Pulsar and Insight CTS3) - 22602-3 | 17-19 Duramax L5P SILVERADO / SIERRA DURAMAX 6.6L
Description: Pulsar is the most innovative performance in-line tuner to ever hit the market. The Pulsar inline module has made waves among truck owners. The industry-exclusive technology, now available via...More Details »
Item #: EDG-22602-3
Condition:
New
Price: $1,216.95
Pulsar Kit 2020-2023 GM Duramax L5P (Pulsar and Insight CTS3) V3 - 22601-3 | 20-22 Duramax L5P SILVERADO / SIERRA DURAMAX 6.6L
Description: Pulsar is the most innovative performance in-line tuner to ever hit the market. The Pulsar inline module has made waves among truck owners. The industry-exclusive technology, now available via...More Details »
Item #: PUL22601-3
Condition:
New
Price: $1,216.95
Items 1-59 of 59