Description: Wehrli billet aluminum brake master cylinder cap for 1999-2026 Silverado / Sierra: a complete OEM-replacement cap with a new diaphragm seal.
Wehrli billet aluminum brake master cylinder cap in clear anodized for 1999-2026 Silverado / Sierra: a full factory-cap replacement with new diaphragm.
Description: Wehrli billet aluminum brake master cylinder cap in clear anodized for 1999-2026 Silverado / Sierra: a full factory-cap replacement with new diaphragm.
Fleece TapShifter for 2001-2002 Chevrolet Silverado / GMC Sierra 2500/3500 with the Allison automatic: plug-and-play push-button shifting for the Allison automatic.
Description: Fleece TapShifter for 2001-2002 Chevrolet Silverado / GMC Sierra 2500/3500 with the Allison automatic: plug-and-play push-button shifting for the Allison automatic.
Item #: FPE-TAPSHIFTER12
Condition: New
May have a longer lead time.
Price: $399.00
2001-2004 LB7 Duramax 2" Stainless Single Turbo Up Pipe Kit for OEM or WCFab Manifolds w/ GasketsNew
Wehrli 2 in. 11 ga stainless up pipes for 2001-2004 LB7 Duramax single-turbo trucks, with gaskets. Fit factory or Wehrli billet manifolds.
Description: Wehrli 2 in. 11 ga stainless up pipes for 2001-2004 LB7 Duramax single-turbo trucks, with gaskets. Fit factory or Wehrli billet manifolds.
Item #: WCF100590
Condition: New
Limited Supply: Only 9 Left!
In Stock. Ships in 3-5 business days.
Price: $619.83
2001-2004 LB7 Duramax 2" Stainless Twin Turbo Style Pass Side Up Pipe for OEM or WCFab Manifold with GasketsNew
Wehrli 2 in. 11 ga stainless passenger up pipe for 2001-2004 LB7 Duramax twin or compound turbo setups. Gaskets included.
Description: Wehrli Stage 2 4 in. aluminum intake with air box for 2001-2004 LB7 Duramax: replaces the plastic factory parts; bolt-on with basic hand tools.
Item #: WCF100300
Condition: New
In-stock powder coat colors ship in 3-5 business days. 10-15 business day lead time on all other colors.
Price: $639.00
2001-2004 LB7 Duramax S300 Single Turbo Install KitNew
Wehrli kit to swap a 2001-2004 LB7 Duramax from the stock IHI-style turbo to a BorgWarner S300-frame single, with 4 in. intake and 3 in. charge piping.
Description: Wehrli kit to swap a 2001-2004 LB7 Duramax from the stock IHI-style turbo to a BorgWarner S300-frame single, with 4 in. intake and 3 in. charge piping.
Item #: WCF100478
Condition: New
Limited Supply: Only 0 Left!
All prices and availability are subject to change without prior notice.
Price: $3,196.15
2001-2004 LB7 Duramax S400 Single Turbo Install KitNew
Wehrli kit to swap a 2001-2004 LB7 Duramax from the stock IHI-style turbo to a BorgWarner S400-frame single, with 5 in. intake and 3 in. charge piping.
Description: Wehrli kit to swap a 2001-2004 LB7 Duramax from the stock IHI-style turbo to a BorgWarner S400-frame single, with 5 in. intake and 3 in. charge piping.
Item #: WCF100489
Condition: New
Limited Supply: Only 0 Left!
All prices and availability are subject to change without prior notice.
Description: Wehrli S400-over-stock compound turbo kit for 2001-2004 LB7 Duramax trucks: twin-turbo power with near-stock spool for tow rigs and daily drivers.
Item #: WCF100570
Condition: New
Limited Supply: Only 0 Left!
All prices and availability are subject to change without prior notice.
Price: $3,351.35
2001-2004 LB7 Duramax Stage 1 High Flow Intake Bundle KitNew
Wehrli Stage 1 bundle for 2001-2004 LB7 Duramax: 3 in. intercooler pipes and billet Y-bridge between the turbo and engine for better spool and lower EGTs.
Description: Wehrli Stage 1 bundle for 2001-2004 LB7 Duramax: 3 in. intercooler pipes and billet Y-bridge between the turbo and engine for better spool and lower EGTs.
Item #: WCF100411
Condition: New
Price: $1,220.00
2001-2004 LB7 Duramax Stage 3 High Flow Intake Bundle KitNew
Wehrli Stage 3 bundle for 2001-2004 LB7 Duramax: Stage 1 piping, Stage 2 intake and a 3 in. downpipe in one package for better flow and spool.
Description: Wehrli Stage 3 bundle for 2001-2004 LB7 Duramax: Stage 1 piping, Stage 2 intake and a 3 in. downpipe in one package for better flow and spool.
Item #: WCF100712
Condition: New
Limited Supply: Only 0 Left!
Price: $2,089.00
2001-2004 LB7 Duramax 2" Stainless Single Turbo Style Pass Side Up Pipe for OEM or WCFab Manifold with GasketsNew
Wehrli 2 in. 11 ga stainless passenger up pipe for 2001-2004 LB7 Duramax single-turbo trucks, clearanced for a conventional downpipe. Gaskets included.
Description: Wehrli 2 in. 11 ga stainless passenger up pipe for 2001-2004 LB7 Duramax single-turbo trucks, clearanced for a conventional downpipe. Gaskets included.
Item #: WCF100654
Condition: New
Limited Supply: Only 8 Left!
In Stock. Ships in 3-5 business days.
Price: $334.65
2001-2004 LB7 Duramax Fuel Pressure Relief Valve Block Off KitNew
Wehrli kit to remove the fuel pressure relief valve on 2001-2004 LB7 Duramax, clearing room for larger Y-bridges and turbo inlets.
Description: Wehrli kit to remove the fuel pressure relief valve on 2001-2004 LB7 Duramax, clearing room for larger Y-bridges and turbo inlets.
Item #: WCF100023
Condition: New
Price: $72.75
2001-2004 LB7 Duramax Y-Bridge KitNew
Wehrli 3 in. billet Y-bridge and cold side pipe kit for 2001-2004 LB7 Duramax: a full 3 in. path from intercooler to engine with stock or drop-in IHI turbos.
Description: Wehrli 3 in. billet Y-bridge and cold side pipe kit for 2001-2004 LB7 Duramax: a full 3 in. path from intercooler to engine with stock or drop-in IHI turbos.
Item #: WCF100693
Condition: New
Price: $925.00
2001-2005 Duramax Twin CP3 ControllerNew
Wehrli twin CP3 pump controller and harness for 2001-2005 Duramax: runs a second, belt-driven CP3 next to the factory pump.
Description: Wehrli fabricated aluminum coolant tank for 2001-2007 LB7/LLY/LBZ Duramax twin turbo builds: mounts on the passenger fender.
Item #: WCF100642
Condition: New
Price: $379.00
2001-2007 LB7/LLY/LBZ Duramax OEM Placement Coolant Tank KitNew
Wehrli fabricated aluminum coolant tank for 2001-2007 6.6L LB7 / LLY / LBZ Duramax: mounts in the factory location, with sight glass, billet cap and low-coolant sensor.
Description: Wehrli fabricated aluminum coolant tank for 2001-2007 6.6L LB7 / LLY / LBZ Duramax: mounts in the factory location, with sight glass, billet cap and low-coolant sensor.
Item #: WCF100645
Condition: New
Price: $489.00
2001-2007 LB7/LLY/LBZ Duramax Allison 4x4 Transfer Case BraceNew
Wehrli tubular steel transfer case brace for 2001-2007 LB7/LLY/LBZ Duramax with the Allison and 4x4: stiffens the tail housing against driveline flex.
Description: Wehrli tubular steel transfer case brace for 2001-2007 LB7/LLY/LBZ Duramax with the Allison and 4x4: stiffens the tail housing against driveline flex.
Description: Wehrli replacement low coolant level sensor for Wehrli fabricated coolant tanks on 2001-2010 and 2017-2026 Duramax.
Item #: WCF206-19
Condition: New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $49.47
2001-2010 Duramax 60" Traction Bar Kit (RCLB/CCSB/ECSB)New
Wehrli 60 in. traction bar kit for 2001-2010 GM 2500/3500 HD Duramax trucks (regular cab long bed, extended cab short bed, crew cab short bed): stops axle wrap; Wehrli warrants the bars for life to...
Description: Wehrli 60 in. traction bar kit for 2001-2010 GM 2500/3500 HD Duramax trucks (regular cab long bed, extended cab short bed, crew cab short bed): stops axle wrap; Wehrli warrants the bars for life to the original buyer.
Item #: WCF100850
Condition: New
Price: $999.00
2001-2010 Duramax 68" Traction Bar Kit (ECLB, CCLB)New
Wehrli 68 in. traction bar kit for 2001-2010 GM 2500/3500 HD Duramax trucks (extended cab long bed, crew cab long bed): stops axle wrap; Wehrli warrants the bars for life to the original buyer.
Description: Wehrli 68 in. traction bar kit for 2001-2010 GM 2500/3500 HD Duramax trucks (extended cab long bed, crew cab long bed): stops axle wrap; Wehrli warrants the bars for life to the original buyer.
Item #: WCF100852
Condition: New
Price: $989.00
2001-2010 Duramax Traction Bar Brackets & Hardware Install KitNew
Wehrli replacement traction bar bracket and hardware kit for 2001-2010 Duramax trucks. Bars not included.
Description: Wehrli TIG-welded billet steel exhaust manifolds for 2001-2016 Duramax: replace cast factory parts for quicker spool and lower EGTs. No tuning needed.
Item #: WCF100363
Condition: New
Limited Supply: Only 5 Left!
In Stock. Ships in 3-5 business days.
Price: $1,445.00
2001-2016 Duramax Up Pipe / LB7 Down Pipe Bolt KitNew
Wehrli ARP 12-point bolt kit for one up pipe on 2001-2016 Duramax, or the LB7 turbo down pipe: 6 bolts, washers and ARP lube.
Description: Wehrli 2 in. 11 ga stainless driver up pipe for 2001-2016 Duramax, single or compound turbo, with factory or Wehrli manifolds. Gaskets included.
Description: Wehrli CNC-machined billet oil fill cap in black anodized for 2001-2026 GM Duramax trucks: a full replacement for the factory plastic cap.
Item #: WCF100443
Condition: New
Limited Supply: Only 6 Left!
In Stock. Ships in 3-5 business days.
Price: $51.41
2001-2026 GM Billet Aluminum Oil Fill Cap, Clear AnodizedNew
Wehrli CNC-machined billet oil fill cap in clear anodized for 2001-2026 GM Duramax trucks: a full replacement for the factory plastic cap.
Description: Wehrli CNC-machined billet oil fill cap in clear anodized for 2001-2026 GM Duramax trucks: a full replacement for the factory plastic cap.
Item #: WCF100442
Condition: New
Limited Supply: Only 3 Left!
In Stock. Ships in 3-5 business days.
Price: $51.41
6.6L Duramax Billet Coolant Block Off Plate (2001-2025) Fleece PerformanceNew
Fleece billet coolant block-off plate with integral O-ring for 2001-2025 6.6L Duramax rear engine covers; replaces GM 97941204 and 12698239.
Description: Kryptonite part for the HD applications on the manufacturer Fits list (2001–2007).
Item #: 19300584 (KR310)
Condition: New
Price: $72.99
Air Filter 4" Inlet (Dry)New
Wehrli 4 in. inlet dry air filter, the correct replacement for Wehrli 4 in. intake kits and S300 single turbo install kits; not washable, clean with compressed air.
Description: Wehrli 4 in. inlet dry air filter, the correct replacement for Wehrli 4 in. intake kits and S300 single turbo install kits; not washable, clean with compressed air.
Item #: WCF100717
Condition: New
In Stock. Ships in 3-5 business days.
Price: $72.75
Air Filter 5" Inlet (Dry)New
Wehrli 5 in. inlet dry air filter, the correct replacement for Wehrli 5 in. intakes and its twin turbo and S400 single turbo kits; not washable, clean with compressed air.
Description: Wehrli 5 in. inlet dry air filter, the correct replacement for Wehrli 5 in. intakes and its twin turbo and S400 single turbo kits; not washable, clean with compressed air.
Item #: WCF100719
Condition: New
In Stock. Ships in 3-5 business days.
Price: $72.75
Air Filter Element for 1999-2015 Chevy/GMC 2500/3500 Diesel/Gas Dry filter Banks PowerNew
Banks Ram-Air replacement dry filter element for 1999-2015 Chevy/GMC 2500/3500 diesel/gas.
Description: *Image may differ from actual product.
Item #: 75113-01A
Condition: New
All prices and availability are subject to change without prior notice.
Price: $1,599.99
AMSOIL Diesel Oil Change Kit, 2001-2019 GM 6.6L Duramax (EA Filter EAO52 or PPE 114000555)New
AMSOIL oil change kit for the 2001-2019 GM 6.6L Duramax: 10 quarts of Signature Series Max-Duty 15W-40 synthetic diesel oil plus your choice of AMSOIL Ea EAO52 or PPE 114000555 oil filter.
Description: AMSOIL oil change kit for the 2001-2019 GM 6.6L Duramax: 10 quarts of Signature Series Max-Duty 15W-40 synthetic diesel oil plus your choice of AMSOIL Ea EAO52 or PPE 114000555 oil filter.