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:S&S Truck Parts21021850 Volvo / Mack 5" V-Band Clamp | New S&S Truck S-21064 Stainless Steel
21021850 | S&S Truck V-Band Clamp | 5" Stainless Steel, S-21064 | New Aftermarket New aftermarket S&S Truck...Regular price $16.74 USDSale price $16.74 USD Regular priceUnit price perSold out -
Vendor:Volvo Mack8087332 Mack / 20980875 Volvo / 21596119 Mack | New Genuine Mack
21596119 | Mack / Volvo OEM Component | 8087332, 20980875 | New Genuine (NOS) New genuine Mack /...Regular price $74.47 USDSale price $74.47 USD Regular priceUnit price perSold out -
Vendor:Volvo Mack631-130086 Mack Alternator Relay | Nartron 1300-8-6 (1301) | New Genuine OEM
631-130086 | Nartron Alternator Relay Switch | Mack 1300-8-6 / 1301 | New Genuine (NOS) New genuine Nartron...Regular price $37.47 USDSale price $37.47 USD Regular priceUnit price per -
Vendor:Volvo Mack25163344 | Mack Rocker Switch 1MR4285M3 | New Genuine Mack
25163344 | Mack / Eaton Rocker Switch | 1MR4285M3 | New Genuine OEM Product Summary:25163344 is a genuine...Regular price $24.47 USDSale price $24.47 USD Regular priceUnit price perSold out -
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 (NOS) New genuine...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, No Core Charge | New Genuine...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 | New Genuine (NOS) New genuine Mack electrical switch,...Regular price $94.74 USDSale price $94.74 USD Regular priceUnit price perSold out -
Vendor:Volvo Mack1669672 Volvo Inhibitor Cylinder | 1653185 | R-Series Transmission | New Genuine (NOS)
1669672 | Volvo Inhibitor Cylinder | 1653185, R-Series / SR-Series Transmissions | New Genuine (NOS) New genuine Volvo...Regular price $187.47 USDSale price $187.47 USD Regular priceUnit price perSold out -
Vendor:GatesK080774 | Gates Micro-V Green Stripe Serpentine Belt | 8-Rib 77.4" | 8PK1965 | New NOS
K080774 | Gates Micro-V Green Stripe Serpentine Belt | 8-Rib 77.4" | 8PK1965 | New NOS New NOS...Regular price $47.74 USDSale price $47.74 USD Regular priceUnit price per$72.47 USDSale -
Vendor:Wabco400611002 0 ABS Valve Modulator| Meritor WABCO | Heavy-Duty Air Brake System | New Genuine
400 611 002 0 | Meritor WABCO ABS Valve / Modulator – Heavy-Duty Air Brake System | New...Regular price $247.74 USDSale price $247.74 USD Regular priceUnit price per$446.15 USDSale -
Vendor:Isspro601812-B | ISSPRO Instrument Programmer | Volvo 3130615 | PROG SEL INCR | New NOS
601812-B | ISSPRO Volvo Heavy Truck Instrument Programmer | PROG / SEL / INCR Controls | New Genuine...Regular price $224.74 USDSale price $224.74 USD Regular priceUnit price per$487.32 USDSale -
Vendor:Volvo Mack85110714 Starter Relay / Solenoid Assembly | Volvo Heavy Truck | 12V | New Genuine NOS
85110714 | Volvo Heavy Truck Starter Relay / Solenoid Assembly | 12V Heavy-Duty Starting Circuit | New Genuine...Regular price $47.74 USDSale price $47.74 USD Regular priceUnit price per$69.99 USDSale
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.