CAT 3126 Engine Assemblies for Sale
Vander Haag's is your destination for high quality new and used heavy duty truck parts, semi truck salvage, trucks, trailers, equipment and service. Give us a call today.
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Browse Categories
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Hood & Front End
- Hood Assembly
- Cooling
- Bumper
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Hood Components
- Body, Misc. Parts
- Brackets, Misc
- Collision Advoidance
- Emblem
- Fastener
- Fender Extension (hood)
- Grille
- Grille Guard
- Header Panel
- Headlamp
- Headlamp Door / Cover
- Hinge
- Hood Mirror
- Hood Ornament
- Hood Rest
- Hood Side Vent
- Hood Spring
- Hood Wiring Harness
- Hood, Bug Deflector
- Hood, Misc. Parts
- Inner Fender
- Latch
- Panel
- Parking Lamp
- Shock
- Side Marker Lamp, Rear
- Stability Sensor
- Valance, Front
- Winter Fronts
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Cab & Sleeper
- Cab Assembly
- Sleeper Assembly
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Cab Exterior
- A Pillar Panel
- Accessory, Work Light
- Air Cleaner
- Air Conditioner Evaporator
- Air Conditioner Hose
- Air Conditioner Misc Parts
- Air Conditioner Receiver / Dryer
- Air Conditioner Seals & Orings
- Antenna
- Back Glass
- Body, Misc. Parts
- Bracket, Chassis Fairing
- Brackets, Misc
- Cab Jack
- Cab, Misc. Parts
- Cowl
- Door
- Door Emblem
- Door Glass
- Door Latch
- Door Mirror, Bracket
- Door Mirror, Cover
- Exhaust Guard
- Fastener
- Fender Extension (hood)
- Fuel Filler Door
- Heater Hose
- Horn
- Lighting, Exterior
- Master Cylinder
- Rocker Panel
- Roof Assembly
- Roof Glass
- Running Board
- Side Fairing/Cab Extender
- Side Marker Lamp, Rear
- Steering Shaft
- Sun Visor (Exterior)
- Water Pump Cover
- Wind Deflector
- Windshield
- Windshield Washer Motor
- Windshield Washer Reservoir
- Windshield Wiper Arm
- Wiper Blade
- Wiper Motor, Windshield
- Wiper Transmission
- Wiring Harness, Cab
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Cab Interior
- A Pillar Panel
- A/V (Audio Video)
- ABS Parts
- Air Bag
- Air Conditioner Evaporator
- Blower Motor (HVAC)
- Body, Misc. Parts
- Brackets, Misc
- Cab Control Module CECU
- Console
- Dash / Console Switch
- Dash Panel
- Door Electrical Switch
- Door Window Crank
- Electric Door Motor
- Electrical, Misc. Parts
- Fastener
- Filter, Cabin
- Floor Mat
- Foot Control Pedals
- Fuse Box
- Headliner
- Heater & AC Knob
- Heater & AC Temperature Control
- Heater Assembly
- Heater Core
- Heater, Auxiliary
- Ignition Switch
- Interior Mirror
- Interior Sun Visor
- Interior Trim Panel
- Interior, Curtains
- Interior, Doghouse
- Interior, Misc. Part
- Light Control Module
- Lighting, Interior
- Refrigerator
- Seat Armrest
- Seat Belt Assembly
- Seat Belt Latch
- Seat Cushion
- Seat Misc Parts
- Seat, Air Ride
- Seat, Mechanical Suspension
- Seat, non-Suspension
- Sleeper Control Module
- Steering Column
- Steering Wheel
- Tachometer
- Telematics
- Turn Signal/Column Switch
- Wiper Control Modules
- Wiring Harness, Cab
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Door
- Door
- Door Assembly, Rear or Back
- Door Electrical Switch
- Door Emblem
- Door Glass
- Door Glass, Rear
- Door Handle
- Door Hinge, Front
- Door Hinge, Rear
- Door Latch
- Door Mirror
- Door Mirror, Bracket
- Door Mirror, Cover
- Door Mirror, Motor
- Door Moulding, Front
- Door Seal
- Door Vent Glass
- Door Vent Glass, Rear
- Door Window Regulator, Front
- Door Window Regulator, Rear
- Door, Interior Panel
- Door, Misc Parts
- Door, Module
- Electric Door Motor
- Dash
- Sleeper Exterior
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Sleeper Interior
- Body, Misc. Parts
- Brackets, Misc
- Bunk
- Cabinets
- Console
- Control
- Dash / Console Switch
- Electric Door Motor
- Electrical, Misc. Parts
- Fastener
- Headliner
- Heater & AC Knob
- Heater & AC Temperature Control
- Heater Assembly
- Heater Core
- Heater, Auxiliary
- Interior Mirror
- Interior Trim Panel
- Interior, Curtains
- Lighting, Interior
- Mattress
- Refrigerator
- Seat Belt Assembly
- Sleeper Control Module
- Sleeper Door
- Glass
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Engine
- Engine Assembly
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Block / Crankcase
- Balancer / Dampener
- Bearing
- Block
- Block Heater
- Block Stiffener
- Bull Gear
- Cam Bearing
- Cam Cover
- Cam Follower
- Cam Gear
- Camshaft
- Crankcase Breather
- Crankshaft
- Cylinder Kit
- ECM Cooling Plate
- Engine Main Cap
- Fastener
- Filter / Water Separator
- Filter, Lube
- Fluids
- Flywheel
- Flywheel Housing
- Fuel Filter Base
- Gasket Misc
- Gasket [Kit]
- Gasket, Head Set
- Gasket,Oil Pan
- Gear
- Liner Shim
- Main Bearing
- Main Seal
- Misc. Parts
- Mounts
- O Ring (All)
- Oil Cooler
- Oil Dipstick
- Oil Fill Tube
- Oil Filter / Cooler Modules
- Oil Filter Base
- Oil Pan
- Oil Pickup Tube
- Oil Pump
- Overhaul Kit
- Piston Rings
- Piston [& Related]
- Pulley
- Rod
- Rod Bearing
- Rod Bushing
- Seal (All)
- Sleeve [Assembly]
- Spacers
- Timing Cover
- Water Filter Base
- Electronics
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Head & Related Items
- Bearing
- Blower
- Bull Gear
- Cam Bearing
- Cam Cover
- Cam Follower
- Cam Gear
- Cam Housing
- Camshaft
- Engine Brake
- Engine Rocker Shaft
- Fastener
- Fuel Injector
- Gasket Misc
- Gasket [Kit]
- Gasket, Head Set
- Gasket, Intake Manifold
- Gasket, Jake Brake
- Gasket, Valve Cover
- Gear
- Governor
- Head Assembly
- Head Bolt
- Intercooler
- Misc. Parts
- O Ring (All)
- Oil Line
- Pulley
- Push Tube
- Rocker Arm
- Rocker Housing
- Seal (All)
- Spacers
- Thermostat Housing
- Turbo Acutators
- Turbo Components
- Turbo Connection
- Turbocharger / Supercharger
- Valve Cover
- Valve [& Related]
- Exhaust / EGR
- Fuel
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Cooling
- Belt
- Belt Tensioner
- Block Heater
- Exhaust Clamp
- Fan Blade
- Fan Clutch
- Fastener
- Filter / Water Separator
- Filter, Coolant
- Fluids
- Fuel Heater
- Gasket Misc
- Oil Cooler
- Radiator Core Support
- Radiator Overflow Bottle
- Thermostat
- Thermostat Housing
- Water Filter Base
- Water Manifold
- Water Pump
- Water Transfer Tube
- Water Valve
- Air Induction
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Accessories
- Air Compressor
- Air Conditioner Compressor
- Air Conditioner Compressor Clutch
- Air Conditioner Hose
- Air Conditioner Misc Parts
- Air Transfer Tube
- Alternator
- Belt
- Belt Tensioner
- Blower
- Brackets, Misc.
- Carburetor
- Engine Brake
- Fastener
- Flywheel
- Misc. Parts
- Pulley
- Stand
- Steering Pump
- Steering Pump Seal Kit
- Turbo Acutators
- Vacuum Booster
- Vacuum Pump
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Drivetrain
- Transmission Assembly
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Transmission Components
- Air Hose
- Air Valve
- Bearing
- Bearing Kit
- Brackets, Misc
- Brake
- Case
- Clutch Actuators
- Clutch Housing
- Clutch Installation Parts
- Clutch Master Cylinder
- Clutch Slave Cylinder
- Cooler
- Countershaft
- Fastener
- Fork
- Gasket,
- Gear
- Input Shaft
- Mainshaft
- Misc. Parts
- Pilot Bearing
- Seal
- Shift Boot
- Support Bracket
- Synchronizer
- Throw Out Bearing
- Torque Converter
- Wear Sleeve
- Yoke
- Clutch
- Electronics
- Shift Components
- PTO
- Driveshaft
- Auxilary Transmission
- Transfer Case Assembly
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Axle & Wheel End
- Front Differential
- Rear Differential
- Non-Driven
- Drive
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Differential Components
- Axle Shaft
- Carrier and Cap (Front)
- Carrier and Cap (Rear)
- Diff & Pd Clutch Collar
- Diff & Pd Shift Fork
- Diff (Inter-Axle) Component
- Diff (Main) Parts & Assembly
- Diff Adjuster
- Diff Clutch Plate
- Diff Planetary Gear
- Diff Sun Gear
- Differential Bearing Kit
- Differential Case
- Differential Seal
- Differential Side Gear
- Differential Thrust Washer
- Differential, Misc. Part
- End Yoke
- Fastener
- Pwr Divider Drive Gear
- Pwr Divider Driven Gear
- Pwr Divider Idler Gear
- Pwr Divider Thru Shaft
- Ring Gear and Pinion
- Two Speed Motor
- Wear Sleeve
- Yoke, Rr Diff
- Air System
- ABS & Electronics
- Hub & Brakes
- Wheel & Tire
- Cut Off
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Chassis
- Skirts
- Frame
- Battery & Related Items
- Tool Box
- Fifth Wheel
- Electronics
- DEF Tank
- Air System
- Fuel Tank
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Steering & Suspension
- Steering
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Suspension
- Air Spring
- Brackets, Misc
- Cab Suspension
- Fastener
- Leaf Spring, Front
- Leaf Spring, Helper
- Leaf Spring, Rear
- Shock Absorber
- Spring Pin
- Stability Sensor
- Stabilizer Bar
- Suspension
- Suspension Air Spring Pedestal
- Suspension Bushing
- Suspension Crossmember / K-Frame
- Suspension Fastener
- Suspension Spring Equalizer
- Suspension Spring Hanger
- Suspension, Misc. Part
- Suspension, U-Bolt
- Torque Rod
- Exhaust & Aftertreatment
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Truck Equipment
- APU
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Bodies & Beds
- Beverage Body
- Brackets, Misc
- Cranes / Booms
- Dumpbody
- Dumpbody Components
- Equipment
- Feedbody
- Flatbed
- Grainbody
- Grainbody Components
- Hooklift
- Hooklift Components
- Hydraulic Cylinder
- Packer / Refuse Body
- Reefer Unit
- Reeferbody
- Roll back
- Roll Off Hoist
- Spreader
- Tanker
- Truck Equipment, Tarp Motors
- Utilitybody
- Van Body
- Hoists
- Wet Kit
- Tarps
- Ice Control
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Other Items
- Accessory Tool Box
- Accessory, Work Light
- Box (Pickup Bed)
- Chain Holder
- Dumpbody Components
- Electric Tarp Conversion
- Equipment
- Fitting
- Fuel Filler Door
- Grainbody Components
- Hay Rack
- Heater, Auxiliary
- Hitch Accessories
- Hooklift Components
- Hydraulic Controls
- Hydraulic Cylinder
- Hydraulic Fitting
- Ice Control Components
- Ladder
- Liftgate
- Liftgate Misc Parts
- Ramp
- Receiver Hitch
- Reefer Unit
- Tailgate / Decklid
- Tarp Components
- Vibrator
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Trailer
- Axles
- Door
- Landing Gear
- Suspension
- Trailer Equipment
- Other Items
- Electronics
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Accessories
- Cab Protector
- Spray Suppression
- Seating
- Tool Boxes
- Exterior
- Wheel Accessories
- Lighting
- Cargo Control & Safety
- Tools & Cleaning
- Interior
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Hood & Front End
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SEMI TRUCK PARTS
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CAT
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3126
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ENGINE
|ENGINE ASSEMBLY
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Check Fit
Refine Fitment Options
Select a Fitment to Filter Results
S/N 1WM (2 Valve Head 40 pin ECM)S/N 6RW (2 Valve Head 40 pin ECM)S/N 7AS (3 Valve Head 70 pin ECM)S/N 8YL (3 Valve Head 70 pin ECM)S/N 9SZ (3 Valve Head 70 pin ECM)S/N BKD (3 Valve Head 70 pin ECM)S/N CKM (3 Valve Head 70 pin ECM)S/N HEP (3 Valve Head 70 pin ECM)S/N Other (3 Valve Head 70 pin ECM)S/N Other(2 Valve Head 40 pin ECM)
2017-2021 Mack MP7 ECM | Engine Control Module - Rebuilt | P/N GEM1042
REBUILT - Ecm need esn for programming allow 4-5 day lead time before shipping
| Serial #: | |
| CPL/Arr: | |
| HP: |
Item:GOE GEM1042
Dallas, TX $1481.62
with exchange
Dallas, TX $1481.62
with exchange
Donaldson P831424 Filter, Air - New
NEW - Air filter, Primary radialseal
Item:DO P831424
Winamac, IN $36.55
Winamac, IN $36.55
Cat C12 Engine Fastener - New | P/N 9X6620
NEW - Lock - Nut - Turbo
Item:MB 9X6620
Bridgeton, MO $3.17
Bridgeton, MO $3.17
Cat C13 Engine Fastener - New | P/N 2245422
NEW - Exhaust stud
Item:CAT 224-5422
Bridgeton, MO Please Call
Bridgeton, MO Please Call
Cat C13 Gasket Engine Misc - New | P/N 2246357
NEW - Oil filter base gasket
Item:CAT 224-6357
Bridgeton, MO Please Call
Bridgeton, MO Please Call
Cat 3406B Exhaust Gasket - New | P/N 1299452
NEW - Gasket - Exhaust Manifold
Item:MB 129-9452
Multiple Locations $2.93
Multiple Locations $2.93
Detroit DD15 Engine Fastener - New | P/N A4720140583
NEW - Collar Screw - DD15
Item:MB A4720140583
Des Moines, IA $5.59
Des Moines, IA $5.59
Cummins N14 Celect+ Engine Head Bolt - New | P/N 3071161
NEW - Screw - Hex Head Cap
Item:MB 3071161
Des Moines, IA $11.69
Des Moines, IA $11.69
Volvo D13 Engine Head Bolt - New | P/N 840025
NEW - Bolt,Cyl.Hd.
Item:PA 840025
Multiple Locations $13.09
Multiple Locations $13.09
Cummins N14 Celect+ Cam Follower - New | P/N 3166428
NEW - Pin - Cam Follower Roller
Item:MB 3166428
Multiple Locations $7.73
Multiple Locations $7.73
Cummins N14 Celect+ Cam Follower - New | P/N 3865237
NEW - Roller - Cam Follower
Item:MB 3865237
Des Moines, IA $10.00
Des Moines, IA $10.00
Item:MB 8929795
Multiple Locations $1.59
Multiple Locations $1.59
International A26 Engine Fastener - New | P/N 440055
NEW - Connecting rod bolt buy package 20 sold individually
Item:PA 440055OEM
Sioux Falls, SD $22.21
Sioux Falls, SD $22.21
Cat C13 Engine Rocker Arm - New | P/N 2511005
NEW - Kit - Pin And Roller (Valve)
| Cast#: | |
| Type: | |
| Eng. Brake: |
Item:MB 251-1005
Des Moines, IA $37.92
Des Moines, IA $37.92
Item:24785390
Des Moines, IA $36.00
9 available
Des Moines, IA $36.00
9 available
Detroit 60 Ser 12.7 Engine Rocker Arm - New | P/N 8929059
NEW - Bushing - Rocker Arm Assembly
Item:MB 8929059
Des Moines, IA $1.98
Des Moines, IA $1.98
Cummins C8.3 Engine Head Bolt - New | P/N 3917729
NEW - Capscrew - Cylinder Head
Item:MB 3917729
Des Moines, IA $5.33
Des Moines, IA $5.33
Cummins B5.9 Engine Fastener - New | P/N 3900919
NEW - Capscrew - Connecting Rod
Item:MB 3900919
Des Moines, IA $5.47
Des Moines, IA $5.47
Browse Online
Our Locations
View Map
While Vander Haag's, Inc still holds strong to its family focused values that have been at the core of the business since first opening in 1939, the company now features 11 Midwest locations selling quality used/rebuilt/new truck parts, selling commercial trucks & trailers, and providing full service heavy duty truck repair.
43.178044
-95.155024
Vander Haag's, Inc - Spencer
Our Spencer location has over forty acres of part and vehicle storage with over 100,000 sq. feet of storage under its roof. It has a mechanical & body shop of over 21,000 square feet, complete equipment and parts installation facilities, complete body & frame repair, and a used truck sales office. It has online access to all inventory at Vander Haag's and has online parts and used truck locating services. The Spencer location is also where the Vander Haag's Corporate Headquarters are.
Vander Haag's, Inc - Spencer
3809 4th Ave W
51301
United States
Spencer, IA
41.640436
-93.584249
Vander Haag's, Inc - Des Moines
Our Des Moines location is home to the largest VanderHaag's showroom, and has a storage and shop area over 20,000 sq feet. It has complete frame alterations and equipment installations, complete engine rebuilding and installation ,power steering rebuilding and installation, transmission and rear end rebuilding and installation performed by the best component rebuilder in Iowa, drive shaft modification and fabrication. The Des Moines Location has over 15 acres of salvage unit parts storage, a used truck sales office, and has access to over 250 used trucks in the Vander Haag's used truck inventory. It has online access to all inventory at Vander Haag's and online parts and used truck locating services.
Vander Haag's, Inc - Des Moines
4444 Delaware Ave
50313
United States
Des Moines, IA
43.594099
-96.709450
Vander Haag's, Inc - Sioux Falls
Our Sioux Falls location has been around since 1992 when Vander Haag's purchased an existing salvage operation. It has over 50,000 sq. ft. of storage and service facilities with over 30 acres of salvage units and parts storage. Over the years, our Sioux Falls location has expanded significantly. In 1998, we added a Truck & Trailer Sales lot located off Cliff Avenue that is now home to over 200 used trucks, trailers and equipment. In 2020, we will be moving our reman division to a larger 8000 sq. ft. facility. Vander Haag's website offers an easy-to-find parts search with online check-out. We ship nationwide! The website also offers a used truck locating service to help you find a truck that fits your needs and budget. Our team is ready to assist you!
Vander Haag's, Inc - Sioux Falls
1423 E 54th St N
57104
United States
Sioux Falls, SD
41.158006
-95.826804
Vander Haag's, Inc - Council Bluffs
Our Council Bluffs location has over 80 acres for trucks and parts, and 31,000 square feet of showroom and shop area. Its used truck parts and service facility is just 6 miles south of Council Bluffs on Interstate 29. Some of the services it offers are frame modification and alterations, equipment installation, part installation and service work, as well as paint and body repair. It offers truck, trailer, and equipment sales, online parts locating services, and has all inventory online at Vander Haag's.
Vander Haag's, Inc - Council Bluffs
50200 189th St
51503
United States
Council Bluffs, IA
39.065417
-94.498172
Vander Haag's, Inc - Kansas City
Our Kansas city location has over 57,500 square feet of parts and service facilities. It offers frame modifications and alterations, equipment installation, and a complete repair facility. It houses new, rebuilt, and used truck parts, as well as providing truck, trailer, and equipment sales. It is conveniently located off Interstate 435 and Interstate 70. The Kansas City location also offers online access to all inventory at Vander Haag's.
Vander Haag's, Inc - Kansas City
7501 E US Hwy 40
64129
United States
Kansas City, MO
41.033283
-86.596167
Vander Haag's, Inc - Winamac
Our Winamac location has over 80,000 square feet of parts and service facilities with over 80 acres of salvage units and parts storage. Come check out our completely remodeled 4000+ square feet parts showroom and sales counter area! We offer truck, trailer, and equipment sales, as well as new, rebuilt and used truck parts. All trucks are inventoried inside to improve the quality and condition of our parts. We service heavy trucks as well, and recently added two new service shop bays to our four existing bays. From complete engine overhauls, frame modifications and equipment intalls to typical maintenance, our bays are ready for your business! Vander Haag's website offers an easy-to-find parts search with online check-out. We ship nationwide!
Vander Haag's, Inc - Winamac
495 E 150th S
46996
United States
Winamac, IN
39.740696
-86.255676
Vander Haag's, Inc - Indianapolis
Situated just northeast of I-465 and I-70 in West Indianapolis, we are stocked with a large inventory of Used, Rebuilt, and New truck parts. Combine this with our excellent product knowledge and access to our 7 other locations' inventory, our goal is to make parts available for you to get your truck operating as soon as possible.
Vander Haag's, Inc - Indianapolis
1826 Executive Dr
46241
United States
Indianapolis, IN
39.960151
-83.366700
Vander Haag's, Inc - Columbus
At our location just off I-70 outside Columbus, OH, we offer a comprehensive range of services tailored to meet your trucking needs. From top-quality new and used truck parts, to expert service and convenient delivery options, we have you covered. With 30,000 square feet of storage space for new parts, we ensure that our inventory is extensive and readily accessible. As part of a network of 12 locations, we pride ourselves on delivering exceptional customer service and unmatched expertise in the industry. Experience the convenience and reliability of our facility for all your truck part and service needs.
Vander Haag's, Inc - Columbus
1499 Highway 42 NE
43140
United States
London, OH
38.176011
-85.750102
Vander Haag's, Inc - Louisville
Vander Haag's Louisville is located just south of I-264 and west of I-65, near the Muhammad Ali International Airport. We offer quality used, rebuilt, and new truck parts to save you time and money. For convenience we can ship parts directly to you, or you can pick up at one of our 9 locations across the Midwest. Shop online, stop in, or call the Vander Haag's team today!
Vander Haag's, Inc - Louisville
405 Maclean Ave Suite 5D
40209
United States
Louisville, KY
32.807028
-96.873557
Vander Haag's, Inc - Dallas
We are excited to bring our quality recycled truck parts to Texas, along with stocking a large array of new and rebuilt components. With our growing customer base in the Texas market, getting our parts closer to the customer cuts down on unnecessary downtime and allows them to get back on the road quickly
Vander Haag's, Inc - Dallas
4936 Sharp St
75247
United States
Dallas, TX
38.751480
-90.470276
Vander Haag's, Inc - St Louis
We are excited to open our doors in St Louis and bring our large inventory of all makes parts along with exceptional service to the area. Located at 12964 St Charles Rock Rd in this suburb of St Louis, this Vander Haag's store is a one stop destination for truck drivers, fleet managers, and service professionals seeking a huge variety of new, used, and rebuilt truck parts. Having full access to Vander Haag's 7 salvage yards of used parts inventory along with stocking a large array of new and rebuilt components from leading brands, customers will have multiple options for getting their trucks back on the road quickly and effectively.
Vander Haag's, Inc - St Louis
12964 St Charles Rock Rd Unit B
63044
United States
Bridgeton, MO
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