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- 1LW
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Cummins N14 Lower Engine Gasket Set, New (4025068)
$279.98CPL/ESN Prefix: 2025, 2026, 2027, 2389, 2390, 2391, 2398, 2590, 2591, 2592
HHP#: P021675View product -

Cummins N14 Upper Engine Gasket Set, New (4089371)
$320.85HHP#: P022134View product -

Cummins N14 Upper Engine Gasket Set, New (4089371EB)
$362.58CPL/ESN Prefix: 1384, 1574, 1807, 1809, 1844, 2026, 2027, 2390, 2391, 2398, 2591, 2592
HHP#: P023264View product -

Cummins N14, 855 Upper Engine Gasket Set, New (3801330 )
$170.68HHP#: P017350View product -

3014778 | Cummins N14 Oil Pump Cover Gasket, New
$1.83HHP#: P019654View product -

3029847 | Cummins N14 Oil Transfer Tube O-Ring, New
$0.42CPL/ESN Prefix: 1374, 1384, 1573, 1574, 1807, 1809, 1844, 1987, 2026, 2027, 2389, 2390, 2391, 2398, 2590, 2591, 2592
HHP#: P020051View product -

3032861 | Cummins N14 Silicon Pan Gasket, New (3099083)
$30.89HHP#: P211894View product -

3032874 | Cummins N14 Liner Seal, New (194115)
$1.45CPL/ESN Prefix: 1380, 1807
HHP#: P018601View product -

3034986 | Cummins N14 Oil Transfer Tube Seal, New
$1.37CPL/ESN Prefix: 1374, 1384, 1573, 1574, 1807, 1809, 1921, 1987, 2026, 2027, 2389, 2390, 2391, 2398, 2590, 2591, 2592
HHP#: P020157View product -

3052587 | Cummins N14 O-Ring Seal (Oil Tube to Fuel Injector), New
$0.32HHP#: P020520View product -

3053132 | Cummins Gasket
$9.35HHP#: P020542View product -

3064313 | Cummins N14 Housing Mounting Gasket, New
$2.66CPL/ESN Prefix: 1844
HHP#: P020708View product
Showing 1–12 of 104 results
If you are unable to find what you are looking for, please call us as we have hundreds of thousands of products available and we cannot show them all on the website.
Aftermarket Parts for Cummins, Caterpillar, Detroit Diesel and Many More
At Highway & Heavy Parts, we specialize in providing top-quality parts for big trucks and agricultural equipment, featuring industry-leading brands like Cummins, Caterpillar, and Detroit Diesel. Whether you’re looking for complete engine rebuild kits, fuel injectors, turbochargers, or gaskets, we have everything you need to keep your diesel engine running at peak performance.
Premium Diesel Engine Parts for Big Trucks & Agriculture
We know that downtime is costly. That’s why we offer high-quality, OEM-spec aftermarket parts designed to meet or exceed manufacturer standards. Our extensive inventory ensures you get the right part quickly, helping you stay on the road or in the field with confidence. A few of the major diesel manufacturers which we produce and distribute replacement parts for are Cummins, Caterpillar, and Detroit Diesel. Check out some of the aftermarket diesel parts we carry for these big trucks and agricultural equipment.
Cummins Diesel Engine Parts
From the reliable Cummins ISX to the hardworking 5.9L and 6.7L engines, we provide:
- Engine rebuild kits
- Fuel injectors & pumps
- Turbochargers
- Cylinder heads & gaskets
Caterpillar Diesel Engine Parts
Caterpillar engines power some of the toughest machines on the road and in agriculture. We stock parts for C15, 3406, 3126, and other popular CAT engines, including:
- Overhaul kits
- Turbochargers
- Cylinder heads
- Oil pumps & more
Detroit Diesel Engine Parts
Detroit Diesel engines are built for power and durability. Whether you have a Series 60, DD13, DD15, or DD16, we have the parts to keep it running strong:
- Engine rebuild kits
- Fuel injectors
- Camshafts & lifters
- Turbochargers
Why Choose Highway & Heavy Parts?
Quality You Can Trust – We source premium aftermarket and OEM-spec parts.
Fast & Reliable Shipping – Get your parts when you need them.
Expert Support – Our ASE-certified diesel technicians are here to help you find the right part.
Competitive Pricing – Get high-performance parts without breaking the bank.
Get back on the road or in the field with confidence! Browse our selection of Cummins, Caterpillar, and Detroit Diesel engine parts today. If you have any questions, contact our expert team for personalized support!






