W01-M58-8602 Firestone Truck Air Spring Assembly 4881NP02 Contitech Rubber Air Pillow

Product Details:

Place of Origin:	GuangDong, China
Brand Name:	GUOMAT
Certification:	ISO/TS16949:2009
Model Number:	1T8602

Payment & Shipping Terms:

Minimum Order Quantity:	6pcs
Price:	$89.9-99.9/pc
Packaging Details:	strong carton box or as customers need
Delivery Time:	2-8 work days
Payment Terms:	L/C, T/T, Western Union
Supply Ability:	1000pcs/week

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Detailed Product Description

Model Name:	Truck Air Suspension Spring	Material:	Rubber+Steel
Warranty:	1 Year	Packing:	Customize/Neutral Package
Operation:	Gas-Filled	Package:	Standard Packing Or Customized
Firestone:	W01-M58-8602	Firestone Series:	1T66F SERIES
Highlight:	Firestone truck air spring assembly , Contitech rubber air pillow , Truck air springs with warranty

W01-M58-8602 Firestone Truck Air Spring Assembly 4881NP02 Contitech Rubber Air Pillow

Product Overview

Item	Truck Suspension System Parts
Brand	GUOMAT
Model Number	1T8602
Warranty	1 Year
Material	Rubber and Steel
Truck Model	Heavy Duty Truck
MOQ	10 Piece
Position	Auto/Truck Air Suspension Parts
Delivery Time	3-8 Working Days

Replacement Part Numbers

Firestone OEM Numbers: W01-M58-8602, W01 M58 8602, W01M588602
Firestone Series Number: 1T66F
Contitech OEM Numbers: 4881NP02, 4881 NP02, 4881 NP 02
Goodyear OEM Numbers: 1R14-757, 1R 14-757

Dunlop	D141444
Granning	16905
BPW	05.429.40.08.1
BPW	05.429.41.36.0
BPW	05.429.41.21.0
BPW	05.429.41.31.0
BPW Type	05.429.43.41.0
IVECO	500036830

Technical Specifications

Top Cover Plate: Diameter 315mm, M12 x 1.75 bolts, M22 x 1.5 vent holes. Center distance between bolts: 210mm. Center distance between bolts and vent holes: 95mm.

Base Piston: Diameter 251mm, height 150mm, 12 M16 x 2.0 threaded holes. Center distances between threaded holes: 70mm and 120mm.

Overall Dimensions: Natural outer diameter 355mm, maximum height 559mm, minimum height 223mm.

GUOMAT Core Features & Advantages

Precise Compatibility: Direct replacement for OEM models such as Contitech 4757NP02
Superior Durability: High-strength, anti-aging rubber formula resistant to ozone, UV radiation, and temperature variations (-40°C to +70°C). Multi-layer polyester cord reinforcement structure withstands high loads and frequent compression cycles
Optimized Performance: Precise stiffness and damping characteristics effectively filter road vibrations, enhancing ride comfort. Stable air pressure maintenance ensures constant vehicle height
Rigorous Quality Control: ISO 9001 certified. Each product undergoes airtightness, pressure, and fatigue testing
Easy Installation: Same interface dimensions and mounting points as OEM parts, requiring no modifications

Firestone Same Series Models

Series	Part Number	Weight	Piston Type	OEM Number
1T66F	W01-M58-8559	17.16KG	Steel	BPW 36K
1T66F	W01-M58-8601	6.52KG	Without	BPW 36K 05.429.41.01.0 Schmitz 750570
1T66F	W01-M58-8602	13.33KG	Steel	BPW 36K 05.429.41.31.1
1T66F	W01-M58-8666	12.78KG	Plastic	BPW 36K 05.429.43.41.0 BPW 36K 05.429.43.44.0
1T66F	W01-M58-8584	18.78KG	Steel	BPW 36K 05.429.41.69.0
1T66F	W01-M58-8611	7.12KG	Without	BPW 36K 05.429.40.05.0 Schmitz 017 199
1T66F	W01-M58-8560	18.06KG	Steel	BPW 36K
1T66F	W01-M58-8610	18.83KG	Steel	Gigant 166252 Gigant 3653 Gigant 700166252
1T66F	W01-M58-8667	13.83KG	Plastic	BPW 36K 05.429.43.51.0 Schmitz 750 496 Schmitz 751 549
1T66F	W01-M58-8966	14.82KG	Steel	BPW 36 05.429.41.36.1
1T66F	W01-M58-8969	19.09KG	Steel	Gigant 166217 Gigant 3653 Gigant 700166217
1T66F	W01-M58-8978	6.82KG	Without	BPW 36K 05.429.40.01.0 Schmitz 750 228