Home / Products / Parts for Sinotruk HOWO Trucks / Sinotruk HOWO Engine Parts / Content

Products

4974668 Air Compressor For Cummins Engine

4974668 Air Compressor For Cummins Engine

1.OEM Part No.: 4974668
2.Product Name:4974668 Air Compressor for Cummins engine
3.Material: alloy steel，heat-treated steel for durability with anti-corrosion coating
4.Condition: 100% New genuine/OEM/ODM/ready stock
5.Shipping Time: Worldwide delivery within 3–5 business days
6.Payment Methods: T/T, PayPal, Western Union

Fast Delievery
Quality Assurance
24/7 Customer Service

Product Introduction

Product name: Heavy-Duty Air Compressor for cummins engine

OEM-Exact Replacement for Cummins ISX/X15 Engines
High-Output | Integrated Oil Filter | 250+ PSI Delivery | 100% Leak-Tested

The Air Compressor (Cummins OE: 4974668) is a high-capacity, engine-driven single-stage, oil-lubricated piston compressor responsible for generating compressed air for braking, suspension, clutch, and auxiliary circuits in heavy-duty trucks and tractors. It delivers reliable, high-volume airflow even under extreme duty cycles - critical for safety and system responsiveness.

Identification & Cross-Numbers

Common OE：4974668

Identification & Cross-Numbers：974668, 4974668CX, 4974668AB 4728 500 012 967 000 012 AF1297 P177883 RCP-4974668, AC-4974668 4728500012

related products

Advantages and highlights:

✅ 100% OE Match - No Modifications Needed
Exact spline, mounting pattern, port locations, and governor preset - direct bolt-on replacement. Zero ECU reprogramming.

✅ Integrated Oil Filtration System
Built-in oil filter screen + check valve prevents sludge buildup - extends service life and protects engine oil system.

✅ High Output for Modern Air Demands
Delivers 23+ SCFM - supports advanced systems: EBS, disc brakes, air suspensions, and automated manuals (e.g., Eaton UltraShift).

✅ Precision-Machined Components
Ground cylinder bore (Ra ≤ 0.4 μm) + balanced crankshaft for low vibration and quiet operation (<78 dB at 1m).

✅ 100% Performance & Leak-Tested
Every unit tested for: Airflow @ 1200 RPM Pressure build-up time (<4 min to 100 psi) Oil circuit integrity (0.5 MPa × 60 sec)

✅ Heavy-Duty for Extreme Conditions
Cast iron construction withstands thermal shock, vibration, and continuous duty - proven in desert, arctic, and mountain operations.

✅ Cost-Smart Alternative to Genuine Cummins
Same quality at 30–40% lower price - ideal for fleet maintenance, warranty work, and export markets.

product parameters

Products name	Heavy-Duty Air Compressor for cummins engine	Application	Cummins Engines: ISX15 (2010–2024), X15 (2017–present), ISM (2013+), ISL9 (certain models), X12, for sinotruck
Products model	4974668 974668CX, 4974668AB	PACKAGE	Neutral Packing+Customized+Brand Packing
Dimension	320 mm × 185 mm × 210 mm (12.6" × 7.3" × 8.3")	Lead time	7-15 days
Compressor Type	Single-stage, reciprocating piston, oil-lubricated, gear-driven (via engine timing gear)	Warranty	6 month
Weight	Approx.1.85 kg(net, without fluid)	Working Pressure	150 psi (system); compressor rated to250 psi burst
Material	•Crankcase & Head: gray iron (HT250) •Piston & Rings: Forged aluminum + cast iron rings •Valve Plate: Stainless steel •Gaskets & Seals: NBR (oil-resistant) FKM •Pulley/Gear Hub: Ductile iron	Max Air Delivery	≥23 SCFM @ 1200 RPM(engine speed)
Shipping terms	by Express, sea, air, train	Certification	ISO/TS16949
Life Expectancy	≥ 8,000 hours (with proper oil maintenance)	Pressure	Cut-Out Pressure:125–135 psi; Cut-In Pressure:100–110 psi

Basic Information about the Company

Onode company is one of the leading exporter of truck parts and engineering machinery and equipment in China, petrochemical manufacturer,based on 3 families' factories, and over 50 cooperated factories. We can provide about 7000 varieties of spare parts for European & Chinese Trucks ; Onode company was found in 2007, originally to dealing with truck parts and engineering machinery & equipment and petrochemical. Meanwhile we invest to develop spare parts for European truck together with ourfamilies" factories. With the powerful product development department, professional quality control department andenthusiastic service team, our company growth very fast inthe past 20 years.