Cummins N14 Air Compressor for Sale | OEM Used Engine-Driven Wabco / Bendix Reciprocating Air Compressor for Class 8 Trucks
$499.00
At a Glance
- Condition: OEM used, bench-test output pressure verified before shipping
- Availability: In stock, Cummins N14 air compressors from multiple donor engines
- Shipping: Free shipping to all 50 states via standard freight, 5 to 10 business days
- Bench-test output pressure verified before shipping
- Cummins OE part number authenticated (9111535200 / 3104324)
- Donor Cummins N14 engine variant documented (N14-310 / N14-370 / N14-435 / N14-460 / N14 Plus)
- Lubrication passage operation confirmed
- Gear drive engagement inspected
- Single vs twin-cylinder configuration confirmed
- 100% inspection before every order ships
- Backed by a 15 day replacement warranty against internal defects
Description
About the Cummins N14 Air Compressor
If you operate a Class 8 truck with a Cummins N14 engine and need a reliable replacement air compressor, you have come to the right place. The Cummins N14 Air Compressor for sale at Part Nests has gone through thorough functional testing and mechanical inspection to deliver consistent air supply to your truck air brake system, air suspension, and pneumatic accessories.
Important: This Is the Air Compressor Accessory, Not the N14 Engine
This listing is for the Cummins N14 engine-driven air compressor, an engine-mounted accessory that supplies compressed air to the truck pneumatic systems (air brakes, air suspension, air horn, air seat, pneumatic accessories). This is NOT the N14 engine itself. The N14 air compressor is gear-driven from the front cover of the Cummins N14 engine and mounts directly to the engine block. If you need the full Cummins N14 engine (or its modern flagship successor), see our Cummins ISX15 / X15 listing (our vaz104 listing) which covers the modern Cummins flagship Class 8 engine family (the N14 was succeeded by the original ISX in 1998, then by Signature 15, then by ISX15, and currently by the X15 since the 2017 rebrand). The air compressor on this listing is specifically the Wabco / Bendix reciprocating air compressor for N14-equipped Class 8 trucks from 1991-2000 production.
High-Quality Used Cummins N14 Air Compressors
Our used Cummins N14 air compressors are tested for efficiency and durability. Each unit is thoroughly checked for operational integrity including bench-test output pressure, lubrication passage operation, gear drive engagement, and visual inspection of mounting flange and cooling jacket. You get competitive pricing on a proven-functional air compressor with documented donor history.
The Cummins N14 Engine Family
The Cummins N14 is one of the most successful Class 8 truck diesel engines ever produced. Manufactured from approximately 1991 to 2000, the N14 is a 14-liter Inline-6 diesel and is the direct mechanical predecessor to the modern Cummins ISX / X15 family (our vaz104 listing for the ISX15 / X15). The N14 air compressor on this listing is compatible with the entire N14 production lineup:
| Detail | Description |
|---|---|
| Cummins N14-310 | 310 hp variant for moderate-duty applications |
| Cummins N14-370 | 370 hp variant for general-duty long-haul |
| Cummins N14-435 | 435 hp variant for heavier long-haul service |
| Cummins N14-460 | 460 hp variant for high-output long-haul and vocational |
| Cummins N14 Plus | 500 hp top-of-line variant (the legendary “N14 Plus” engine) |
The N14 air compressor is mechanically gear-driven off the engine front cover and is largely the same physical unit across all N14 power ratings. Confirm donor variant when ordering for ECM-related parasitic load matching.
Compatibility: Class 8 Trucks with Cummins N14 Engines
The Cummins N14 was offered across the entire Class 8 truck OEM landscape during 1991-2000 production. This air compressor fits any Class 8 truck originally equipped with a Cummins N14 engine:
- Freightliner trucks (Classic, Century, Columbia, FLD, FLC with N14 power)
- Kenworth trucks (W900, T600, T800 with Cummins N14 option)
- Peterbilt trucks (379, 378, 357, 385 with Cummins N14 option)
- Volvo trucks (VN, VHD series with Cummins N14)
- International / Navistar trucks (9400, 9670 with Cummins N14)
- Mack trucks (CH613, RD688 with Cummins N14 option, before Mack moved fully to MP-series engines)
- Western Star trucks (4900, 5900 with Cummins N14)
Note: This is a Cummins N14-specific air compressor. It is not interchangeable with Caterpillar (CAT C15, CAT 3406), Detroit Diesel (Detroit 60 Series, DD13 / DD15), or Mack MP-series engines, which use their own different OE air compressors. Tell us your specific donor engine when ordering.
Industrial / Marine / Generator Cummins N14 Applications
Beyond Class 8 highway trucks, the Cummins N14 also powered:
- Industrial power generators (prime and standby)
- Industrial pumping equipment
- Some marine propulsion and auxiliary power units
- Mining equipment with Cummins N14 prime mover
These industrial / marine N14 engines use the same air compressor design (where the application requires compressed air output), making this listing cross-compatible with non-on-highway Cummins N14 service applications.
Features of the Cummins N14 Air Compressor
- Reciprocating Design: The Cummins N14 air compressor uses a reciprocating piston design (single-cylinder or twin-cylinder depending on application), which is dependable and powerful for generating compressed air to drive truck pneumatic systems. The reciprocating design is the industry-standard architecture for heavy-truck air compressors.
- Integrated Lubrication System: The air compressor uses pressurized lubrication supplied directly from the engine oil system, lubricating pistons, bearings, and valves continuously during operation. This eliminates separate compressor lubrication maintenance and ensures consistent oil supply at all engine operating temperatures.
- High-Capacity Output: At 18.7 CFM displacement, the compressor delivers sufficient compressed air volume for full-size Class 8 truck demand including dual air-brake circuits, air suspension on multiple axles, trailer brake supply through gladhand connections, air horn, air seat, and other pneumatic accessories.
- Durability: Built for Class 8 trucking duty cycle, the air compressor cast iron construction and proven Wabco / Bendix engineering deliver long service life under demanding operating conditions.
- Coolant Jacket Cooling: The compressor head is cooled by engine coolant (in addition to oil-mist cooling internally), keeping discharge temperatures low and extending compressor longevity.
- Easy Service Maintenance: Periodic monitoring of inlet filters, discharge line condition, and unloader valve operation maintains efficient performance. Most service items are accessible without removing the compressor from the engine.
- Safety and Performance: The compressor provides the precise air pressure required for FMVSS 121 compliant truck air brake systems, making the air compressor a safety-critical component of the truck.
Signs Your Cummins N14 Air Compressor Needs Replacement
- Excessive cycling (compressor running constantly, not maintaining system pressure)
- Slow air pressure buildup (compressor not keeping up with system demand)
- Oil contamination in the air tank (compressor passing oil into the air system, indicating worn rings or seals)
- Audible knocking or banging from the compressor (internal mechanical wear)
- Coolant leaks from the compressor head (cooling jacket failure)
- Air leaks from the compressor body or fittings
- Discharge temperature excessive (compressor working too hard, indicating output capacity loss)
What Ships and What Does Not
| Item | Details |
|---|---|
| INCLUDED | Cummins N14 air compressor unit with cast iron compressor body, internal piston(s), valves, head, mounting flange, gear drive coupling. Wabco / Bendix manufacturer markings preserved. |
| NOT INCLUDED | Air governor, discharge line, dryer, air tank, gladhand connections, engine mounting brackets beyond the OE flange, fittings, fasteners (use new), gasket kit (use new for installation), inlet filter (use new). |
| Fluids | None included. Compressor lubrication is from engine oil supply once installed. |
| Core Note | No core charge. You are not required to return your old air compressor. |
Vehicle Compatibility
The Cummins N14 Air Compressor fits Class 8 trucks with Cummins N14 engines:
| Vehicle | Compatibility |
|---|---|
| Freightliner | Classic, Century, Columbia, FLD, FLC with N14 power |
| Kenworth | W900, T600, T800 with Cummins N14 option |
| Peterbilt | 379, 378, 357, 385 with Cummins N14 option |
| Volvo | VN, VHD series with Cummins N14 |
| International / Navistar | 9400, 9670 with Cummins N14 |
| Mack | CH613, RD688 with Cummins N14 option |
| Western Star | 4900, 5900 with Cummins N14 |
| Industrial / Marine | Cummins N14 generator sets, pumping units, marine propulsion |
Tell us your specific truck and Cummins N14 variant (N14-310 / N14-370 / N14-435 / N14-460 / N14 Plus) when ordering.
Inspection Workflow
Every used Cummins N14 air compressor we ship goes through this process:
- Cummins OE part number authenticated (9111535200 / 3104324)
- Donor Cummins N14 engine variant confirmed (N14-310 / N14-370 / N14-435 / N14-460 / N14 Plus)
- Single vs twin-cylinder configuration documented
- Bench-test output pressure verified
- Lubrication passage operation confirmed (oil inlet, internal passages, return)
- Gear drive engagement inspected (drive coupling condition, gear teeth wear)
- Visual inspection of compressor body for cracks
- Cooling jacket integrity verified
- Donor truck application photographed and documented
Why Buy From Part Nests
- Bench-test output pressure verified before shipping
- Cummins OE part number authenticated (9111535200 / 3104324)
- Donor N14 engine variant documented (310 / 370 / 435 / 460 / Plus)
- Lubrication passage operation confirmed
- Gear drive engagement inspected
- Free standard freight delivery to all 50 states
- 15 day replacement warranty on internal defects
- Cummins N14-experienced support team on the phone with knowledge of Wabco / Bendix air compressor variants
- Call (855) 634-4447 to confirm this is the Cummins N14 AIR COMPRESSOR ACCESSORY (NOT the full N14 engine, for the modern flagship Cummins Class 8 engine successor see vaz104 ISX15 / X15), Cummins OE part number (9111535200 / 3104324), donor N14 engine variant (N14-310 / N14-370 / N14-435 / N14-460 / N14 Plus), Class 8 chassis donor (Freightliner Classic / Century / Columbia / FLD / FLC, Kenworth W900 / T600 / T800, Peterbilt 379 / 378 / 357 / 385, Volvo VN / VHD, International 9400 / 9670, Mack CH613 / RD688, Western Star 4900 / 5900), and single vs twin-cylinder configuration before ordering
15 Day Replacement Warranty
Every used Cummins N14 air compressor purchased through Part Nests carries a 15 day replacement warranty starting on the delivery date.
What Is Covered
- Internal defects already present when the air compressor arrives
- Output pressure failures within 15 days from installation beyond what was disclosed
- Internal piston, valve, or ring failures within 15 days from installation
- Gear drive coupling failures within 15 days from installation (where drive coupling was documented as in-spec at shipping)
- Coolant jacket leaks within 15 days from installation (where cooling jacket integrity was documented at shipping)
- Lubrication passage failures within 15 days from installation (where oil passages were documented as functional at shipping)
- Incorrect Cummins OE part number shipped (9111535200 / 3104324 mismatch) due to an error on our end
What Is Not Covered
- Damage caused during installation
- Damage from operating with neglected inlet air filter (dust ingestion causes rapid cylinder bore wear in air compressors)
- Damage from operating with worn or failing engine air-system components (air dryer, unloader valve, governor)
- Damage from operating with contaminated engine oil (the air compressor uses pressurized engine oil for lubrication; contaminated oil damages compressor internals)
- Damage from improper mounting torque or misaligned drive coupling at installation
- Damage from operating in a non-Cummins-N14 engine application (this is a Cummins N14-specific air compressor; not interchangeable with Caterpillar, Detroit Diesel, or Mack MP-series engine air compressors)
- External components (air governor, discharge line, air dryer, air tank, gladhand connections, engine mounting brackets beyond the OE flange, fittings, fasteners, gasket kit, inlet filter) unless itemized
- Labor expenses of any kind
To start a warranty claim, reach us within 15 days of delivery at (855) 634-4447.
- Bench-Test Output Pressure Verified: Operational performance confirmed before shipping
- Cummins OE Part Number Authenticated: 9111535200 / 3104324 confirmed
- Donor N14 Engine Variant Documented: 310 / 370 / 435 / 460 / Plus confirmed
- Lubrication Passage Operation Confirmed: Oil flow inlet and return verified
- Gear Drive Engagement Inspected: Drive coupling and gear teeth condition evaluated
- 15 Day Replacement Cover: Internal defects protected from delivery onward
Additional information
| drive | Engine-driven |
|---|---|
| cooling | Air / oil cooled (with coolant jacket on most installations) |
| lubrication | Integrated (pressure-fed from engine oil) |
| maximum-pressure | 100 to 150+ psi |
| type | Reciprocating |
| brand | STPARTS / Generic |
| model-number | 9111535200 / 3104324 |
This is the engine-driven air compressor accessory, NOT the N14 engine. This listing is specifically for the Cummins N14 engine-driven air compressor, an engine-mounted accessory that supplies compressed air to the truck pneumatic systems (air brakes, air suspension, air horn, air seat, pneumatic accessories). The air compressor is gear-driven from the front cover of the Cummins N14 engine and mounts directly to the engine block. The complete Cummins N14 engine is a separate product. If you need the full Cummins N14 engine or its modern flagship successor, see our Cummins ISX15 / X15 listing (vaz104), which covers the modern Cummins Class 8 flagship engine that replaced the N14 production starting in 1998. This air compressor accessory is appropriate when your N14 engine is otherwise serviceable but the air compressor specifically has failed.
Cummins OE part numbers 9111535200 and 3104324. The Cummins N14 air compressor is identified by Cummins OE part numbers 9111535200 and 3104324 (the two numbers represent supersession or running production changes; both are valid OE part numbers for the same fundamental compressor). The compressor itself is manufactured by Wabco or Bendix (the two major heavy-truck air brake component manufacturers), with manufacturer markings preserved on the casting. We authenticate the Cummins OE part number on every N14 air compressor we ship; provide your truck VIN or original engine ECM data when ordering and we will confirm part number compatibility before shipment.
All N14 production variants share the same compressor. The Cummins N14 air compressor is largely the same physical unit across all N14 power ratings produced from 1991-2000. Compatible N14 engine variants: N14-310 (310 hp variant for moderate-duty applications), N14-370 (370 hp variant for general-duty long-haul), N14-435 (435 hp variant for heavier long-haul service), N14-460 (460 hp variant for high-output long-haul and vocational), N14 Plus (500 hp top-of-line variant, the legendary N14 Plus engine). Tell us your specific N14 variant when ordering for ECM-related parasitic load matching and to confirm specific configuration details.
Class 8 trucks 1991-2000 across all major OEM brands. The Cummins N14 was offered across the entire Class 8 truck OEM landscape during 1991-2000 production. Freightliner: Classic, Century, Columbia, FLD, FLC with N14 power. Kenworth: W900, T600, T800 with Cummins N14 option. Peterbilt: 379, 378, 357, 385 with Cummins N14 option. Volvo: VN and VHD series with Cummins N14. International / Navistar: 9400 and 9670 with Cummins N14. Mack: CH613 and RD688 with Cummins N14 option (before Mack moved fully to MP-series engines). Western Star: 4900 and 5900 with Cummins N14. The air compressor on this listing fits any Class 8 truck originally equipped with a Cummins N14 engine.
No. This is a Cummins N14-specific air compressor and is NOT interchangeable with other engine families. The Cummins N14 air compressor is engineered specifically for the Cummins N14 engine mounting flange, gear drive coupling pattern, and oil supply passage layout. It is NOT compatible with: Caterpillar engines (CAT C15, CAT 3406, CAT 3406E, these use Caterpillar OE air compressors with different mounting and drive configurations), Detroit Diesel engines (Detroit Series 60, DD13, DD15, DD16, these use Detroit OE air compressors), Mack MP-series engines (MP7, MP8 per vaz102, MP10, Mack uses different OE air compressor specifications), or any other engine family. If you have a non-Cummins-N14 engine, you need that engine specific OE air compressor, not this one. Tell us your engine when ordering.
Cummins flagship Class 8 lineage from N14 to current X15. The Cummins flagship Class 8 production lineage runs: N14 (1991-2000, the engine this air compressor was designed for) → Original ISX (1998-2002 twin-turbo, electronic unit injectors) → Signature 15 (2002-2007 single turbo, HPI-TP injectors) → ISX15 (2007-2017 high-pressure common rail, EPA07 / EPA10 / GHG14) → X15 (2017-present GHG17 / GHG21+, same engine new branding). Our vaz104 listing covers the modern ISX15 / X15 flagship Cummins engine. The N14 represents the iconic Cummins mechanical and early-electronic Class 8 engine that built the Cummins flagship reputation; the ISX15 / X15 represents the modern fully-electronic high-pressure common rail successor that continues that lineage with current emissions compliance and fuel economy refinement.
All 50 states via standard freight. The Cummins N14 air compressor is a smaller and lighter accessory than a complete engine, so it ships via standard freight rather than crated freight. We offer free shipping to all 50 states with 5 to 10 business day delivery. This is one of the few Class 8 truck products in our inventory that ships outside the 48 contiguous states without additional charges (most full Class 8 engines and heavy axles require crated freight to 48 contiguous only); the air compressor compact size and weight make standard freight cost-effective across all 50 states.
No. There is no core return required.
2 reviews for Cummins N14 Air Compressor for Sale | OEM Used Engine-Driven Wabco / Bendix Reciprocating Air Compressor for Class 8 Trucks
Related products
Cornelius D. –
Got a Cummins N14 air compressor for a 1998 Kenworth W900 with N14-460 engine. Cummins OE part number 9111535200 correctly authenticated, donor N14 variant correctly identified as N14-460, bench-test output pressure verified, lubrication passage operation confirmed. Honest pre-purchase information that this is the air compressor ACCESSORY (NOT the full N14 engine, the modern flagship Cummins Class 8 engine successor is the X15 per vaz104) and that this unit is Cummins N14-specific (NOT compatible with Caterpillar, Detroit Diesel, or Mack MP-series engines).
Sylvia M. –
Sourced a Cummins N14 air compressor for a Peterbilt 379 with N14 Plus engine. Donor variant correctly identified as N14 Plus, twin-cylinder configuration documented, gear drive engagement inspected. Honest pre-purchase information about the Cummins flagship Class 8 lineage (N14 1991-2000 → ISX → Signature 15 → ISX15 → X15 per vaz104) and the 50 states shipping availability (most heavy Class 8 products ship 48 contiguous only, but the smaller air compressor accessory ships nationwide).