Collection: Volvo & Mack Truck Parts | Genuine OEM Heavy-Duty Components
Explore our complete selection of Volvo and Mack heavy-duty truck parts, featuring genuine OEM components and select S&S Truck Parts replacements. This collection includes engine sensors, gauges, air system fittings, transmission switches, V-band clamps, and electrical harnesses—everything built to keep Volvo VN, VNL, and Mack models performing like new.
Whether you’re maintaining a single truck or managing a fleet, our new surplus (NOS) and factory-tested parts provide dependable fit, OEM-grade quality, and lasting value. Each part is backed by the expertise of Discount Parts Exchange—where decades of drivetrain experience meet trusted inventory.
Heavy-Duty Solutions — Built to Perform. Trusted to Last.
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Vendor:Volvo Mack25153375 Mack Air Pressure Gauge 0–150 PSI | 7MT231P1 / 7MT315RP1 | New Genuine OEM
25153375 | Mack Air Pressure Gauge 0–150 PSI | 7MT231P1 / 7MT315RP1 | New Genuine OEM Product Summary:25153375...Regular price $47.74 USDSale price $47.74 USD Regular priceUnit price per -
Vendor:Volvo Mack21451918 Volvo Sleeper Bunk Temp Control Module | VN VNL | New Genuine OEM
21451918 | Volvo Sleeper Bunk Temp Control Module | VN VNL | New Genuine OEM Product Summary:21451918 is...Regular price $397.74 USDSale price $397.74 USD Regular priceUnit price perSold out -
Vendor:Volvo Mack20779140 Mack Switch | 1MR3594M SW 335NC | Index Controls | New Genuine OEM (NOS)
20779140 | Mack Switch | 1MR3594M SW 335NC | Index Controls | New Genuine OEM (NOS) Product Summary:20779140...Regular price $94.74 USDSale price $94.74 USD Regular priceUnit price perSold out -
Vendor:Horton994000 | Horton Restrictor Valve | Volvo 3947398 | 819328 | New Genuine
994000 | Horton Restrictor Valve | Volvo 3947398 | 819328 | New Genuine OEM Product Summary:Part Number: 994000Brand:...Regular price $74.47 USDSale price $74.47 USD Regular priceUnit price per -
Vendor:Volvo MackPP202663 Pana-Pacific Radio Harness | Mack 5165-PP202663 | Panasonic Head Units
PP202663 | Pana-Pacific Radio Harness | Mack 5165-PP202663 | Panasonic Head Units Product Summary: PP202663 is a genuine...Regular price $17.95 USDSale price $17.95 USD Regular priceUnit price per -
Vendor:Volvo Mack85MT444M Mack Instrument Panel | 25164982 Brown Dash Trim | New Genuine OEM
85MT444M | Mack Instrument Panel | 25164982 Brown Dash Trim | New Genuine OEM Product Summary:85MT444M is a...Regular price $177.47 USDSale price $177.47 USD Regular priceUnit price perSold out -
Vendor:truckparts4u.com85123184 Mack / 2871863 Cummins V-Band Clamp | New Genuine Volvo/Mack
85123184 | Volvo/Mack V-Band Clamp | Cummins ISX Compatible | Genuine OEM Product Summary:85123184 is a genuine Volvo/Mack...Regular price $54.47 USDSale price $54.47 USD Regular priceUnit price per -
Vendor:Volvo Mack85112512 Volvo / Mack Water Pump | New Genuine OEM (NOS)
85112512 | Volvo / Mack Water Pump | New Genuine OEM (NOS) Product Summary:85112512 is a genuine OEM...Regular price $397.47 USDSale price $397.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com8087332 Mack / 20980875 Volvo / 21596119 Mack | New Genuine Mack
8087332 | Mack / 20980875 Volvo / 21596119 Mack | New Genuine OEM Product Summary:8087332 is a genuine...Regular price $74.47 USDSale price $74.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com8084070 Volvo Windshield Washer Reservoir | New Genuine Volvo
8084070 Volvo Windshield Washer Reservoir | New Genuine Volvo Product Summary: 8084070 is a genuine Volvo windshield washer...Regular price $57.74 USDSale price $57.74 USD Regular priceUnit price per -
Vendor:Volvo Mack7MT224 Mack Air Pressure Gauge 10–150 PSI | New OEM with Bracket
MT224 | Mack Air Pressure Gauge 10–150 PSI | New OEM with Bracket Product Summary:7MT224 is a genuine...Regular price $127.74 USDSale price $127.74 USD Regular priceUnit price perSold out -
Vendor:Volvo Mack745-228687 Mack 4 Stop Light Switch | Bendix 228687 w/ Brass Fitting | New Genuine OEM
745-228687 | Mack 4 Stop Light Switch | Bendix 228687 w/ Brass Fitting | New Genuine OEM Product...Regular price $21.74 USDSale price $21.74 USD Regular priceUnit price perSold out
Your #1 Source for Remanufactured Transmissions, Differentials, Transfer Cases & PTOs — Since 1997
Trusted by Fleets & Technicians for Over 25 Years
Discount Parts Exchange delivers quality, reliability, and value in every drivetrain component. Backed by decades of hands-on experience, our heavy-duty solutions are built to keep your truck running.