W02-358-4004 Firestone Cab Air Shock Absorber Style 4004 Suspension Air Spring Replacement

제품 상세 정보:

원래 장소:	중국 광둥
브랜드 이름:	GUOMAT
인증:	ISO/TS16949:2009
모델 번호:	G4004

결제 및 배송 조건:

최소 주문 수량:	6개
가격:	USD49.9-79.9/PC
포장 세부 사항:	강한 판지 상자 또는 고객이 필요로 하는 대로
배달 시간:	2-8 근무일
지불 조건:	T/T, 서부 동맹, Paypal 및 기타
공급 능력:	5000PCS/주

상세 제품 설명

제품 소재:	천연고무	위치:	앞쪽
OEM:	OEM 허용, 수락(사용자 정의 가능)	다른 이름:	에어백
보증:	12개월	파이어스톤:	W02-358-4004/스타일 4004
패키지:	판지 상자	다른 이름:	운전실 공기 스프링
강조하다:	Firestone cab air shock absorber , 4004 suspension air spring , replacement cab air spring

W02-358-4004 Firestone Cab Air Shock Absorber Style 4004 Suspension Air Spring Replacement

Product Overview

W02-358-4004 Firestone Cab Air Shock Absorber Style 4004 Suspension Air Spring Replacement

Specifications

Type	Air suspension spring	Model NO.	G4004
Car make	Truck Cab Suspension	Package	Strong Cartons
Position	Front/Rear	Warranty	One year
Rubber type	Natural Rubber	Place of origin	Guangzhou China

Replacement Part Numbers

Firestone Style: 4004
Firestone Number: W023584004
Firestone Number: W02 358 4004
Firestone Number: W02-358-4004
Firestone Number: WO23584004
Firestone Number: WO2 358 4004
Firestone Number: WO2-358-4004

Technical Data

The top cover plate diameter: 1.65"
Air fitting: 1/8NPT
Piston width: 1.38"
Threaded hole: 3/8-16
Max. outer diameter: 3.1"
Design height: 5.5"
Min. height: 3.6"
Max. height: 9"

Volume @ 80 PSIG = 20 in³ | Natural Frequency

Gage Pressure (PSIG)	Load(lbs.)	Spring Rate (lbs./in.)	CPM	HZ
40	150	55	113	1.88
60	220	70	107	1.78
80	290	91	105	1.74
100	380	99	95	1.59

Assembly Height Specifications

Assembly Height (in.)	Volume @ 80 PSIG (in³)	@20PSIG	@40PSIG	@60PSIG	@80PSIG	@100PSIG
7	26	80	160	230	320	410
6	22	80	160	120	300	400
5	18	70	150	210	290	370
4	14	60	140	200	270	340

Quality Assurance & Warranty

To ensure reliable performance in demanding commercial vehicle applications, each air suspension component undergoes strict quality control and inspection procedures before leaving the factory.

Comprehensive Quality Testing

Every air spring is subjected to multiple tests, including:

Air Tightness Testing: Each unit is pressurized and monitored to ensure there is no leakage from the rubber bellows, crimped edges, or air fittings.
Burst Pressure and Structural Integrity Testing: The air spring is tested under high internal pressure to verify that the reinforced rubber and metal components can withstand extreme operating conditions without failure.
Fatigue and Durability Testing: Repeated compression and extension cycles are simulated to evaluate long-term performance and resistance to material fatigue.
Dimensional and Mounting Inspection: Critical dimensions such as mounting hole spacing, plate diameter, and height range are checked to ensure proper fitment and interchangeability with original equipment parts.

Material and Manufacturing Standards

The rubber air sleeve is produced using multi-layer reinforced elastomer compounds designed to resist:

Cracking caused by temperature fluctuations
Ozone and environmental aging
Continuous flexing and pressure cycling during daily operation

Metal components are treated to improve corrosion resistance, helping extend service life in harsh road and weather environments.

One-Year Limited Warranty

All air springs are backed by a 12-month warranty from the date of shipment. During this period, products found to have manufacturing defects under normal operating conditions are eligible for replacement or technical support.

This warranty provides customers and fleet operators with added confidence when selecting replacement air suspension components for their vehicles.