GI Service Center - Engine Parts
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Engine Parts Featured Products
Items 1-55 of 55
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
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
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: $345.00
Sale: $310.00
Save: 10%
Save: $35.00
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
ARP Studs
Complete Head Gasket Set with Grade "C" Head Gaskets
Item #: HEADGASKET
Condition:
New
Price: $1,075.00
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 1-55 of 55