Collection: Volvo & Mack Truck Parts | Genuine OEM Heavy-Duty Components
Shop our new surplus (NOS) inventory of Volvo and Mack truck parts. Find genuine OEM components for heavy-duty trucks, including engine, drivetrain, gauges and suspension parts—ideal for repairs, rebuilds, and maintenance.
Heavy-Duty Solutions — Built to Perform. Trusted to Last.
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Vendor:truckparts4u.com631-130086 Mack Alternator Relay | Nartron 1300-8-6 (1301) | New Genuine OEM
631-130086 Mack Alternator Relay | Nartron 1300-8-6 (1301) | New Genuine OEM Product Summary:631-130086 is a genuine OEM...Regular price $37.47 USDSale price $37.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com57GC517P2 Mack Oil Drain Fitting & Hose Kit | E7 Engine | New Genuine OEM
57GC517P2 Mack Oil Drain Fitting & Hose Kit | E7 Engine | New Genuine OEM Product Summary:57GC517P2 is...Regular price $94.47 USDSale price $94.47 USD Regular priceUnit price perSold out -
Vendor:truckparts4u.com41MR3666M Mack Wiring Harness | Proven Rev B | New Genuine OEM (NOS)
41MR3666M Mack Wiring Harness | Proven Rev B | New Genuine OEM (NOS) Product Summary:41MR3666M is a genuine...Regular price $147.74 USDSale price $147.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com3MT275M Mack Water Temperature Gauge | OEM 25159920 | New Genuine
3MT275M Mack Water Temperature Gauge | OEM 25159920 | New Genuine Product Summary:3MT275M is a genuine OEM Mack...Regular price $107.47 USDSale price $107.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com39MT39M2B Mack Manifold Boost Pressure Gauge | 25192208, 21814287 | New Genuine OEM (NOS)
39MT39M2B Mack Manifold Boost Pressure Gauge | 25192208, 21814287 | New Genuine OEM (NOS) Product Summary:39MT39M2B is a...Regular price $67.74 USDSale price $67.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com380SB55 Volvo / Mack Oil Fill Cap & Lanyard | New Genuine Mack (NOS)
380SB55 VOLVO / MACK OIL FILL CAP & LANYARD | New Genuine Mack (NOS) Product Summary:380SB55 is a...Regular price $57.85 USDSale price $57.85 USD Regular priceUnit price per -
Vendor:truckparts4u.com25168958 Mack Air Suspension Pressure Gauge 0–100 PSI | 7MT337 | New Genuine OEM
25168958 Mack Air Suspension Pressure Gauge 0–100 PSI | 7MT337 | New Genuine OEM Product Summary:25168958 is a...Regular price $114.74 USDSale price $114.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com25167901 Mack Pressure Switch | 1MR3319AP2, Honeywell 79211-6 | New Genuine OEM
25167901 Mack Pressure Switch | 1MR3319AP2, Honeywell 79211-6 | New Genuine OEM Product Summary:25167901 is a genuine Mack...Regular price $34.74 USDSale price $34.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com25163344 | Mack Rocker Switch 1MR4285M3 | New Genuine Mack
Part Number: 25163344Manufacturer: Mack / EatonType: Rocker SwitchCondition: New Genuine This Mack Rocker Switch (part number 25163344) with...Regular price $24.47 USDSale price $24.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com25004362 Mack Circuit Breaker Switch | 1MR4321M2 / 25498684 | New Genuine OEM
25004362 Mack Circuit Breaker Switch | 1MR4321M2 / 25498684 | New Genuine OEM Product Summary:25004362 is a genuine...Regular price $24.47 USDSale price $24.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com21483569 Volvo / Mack Elbow Fitting | Norgren PA66-IMD30 | New Genuine
21483569 Volvo / Mack Elbow Fitting | Norgren PA66-IMD30 | New Genuine Product Summary:21483569 is a genuine Volvo...Regular price $24.74 USDSale price $24.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com21451918 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 a...Regular price $397.74 USDSale price $397.74 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.