4023NP03 Contitech Rolling Lobe Truck Air Spring 1R14-729 Goodyear Air Bellows Suspension

Product Details:

Place of Origin:	GuangDong, China
Brand Name:	GUOMAT
Certification:	ISO/TS16949:2009
Model Number:	1T 6348

Payment & Shipping Terms:

Minimum Order Quantity:	6pcs
Price:	$47.6-63/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

Application:	Auto Suspension Spring Replacement	Material:	Rubber Bellow+Steel Seal Plate
Warranty:	12 Months	Package:	Standard Packing Or Customized
Sample:	Available	Model Name:	Rolling Lobe Air Spring
Firestone:	W01-M58-6348	Weight:	13.5KG
Highlight:	Contitech truck air spring suspension , Goodyear air bellows for trucks , 1R14-729 rolling lobe air spring

4023NP03 Contitech Rolling Lobe Truck Air Spring 1R14-729 Goodyear Air Bellows Suspension

The GUOMAT 1T6348 air bellows suspension provides a direct replacement for Contitech 4023NP03 and Goodyear 1R14-729 air springs, offering identical performance, mounting dimensions, and durability at a competitive price point.

Product Overview

Designed for heavy-load trucks and trailers, this rolling lobe air spring features a 13.5KG iron piston for superior stability and enhanced heat dissipation capabilities.

Complete Cross Reference

GUOMAT Part Number: 1T6348

Weight: 13.5 KG (with iron piston)

Type: Rolling Lobe / Air Bellows Suspension

This air spring directly replaces the following OEM and aftermarket part numbers:

Brand	OEM Part Number
Firestone	W01-M58-6348
Contitech	4023NP03
Goodyear	1R14-729
Phoenix	1D28A-10
Taurus	KR624-18
Dunlop FR	D13B26
CF Gomma	1T19E-2 / 204676
SAF	3.229.0031.00 / 3.229.2231.00 / 3.22902431.00 / 3.229.2131.00

Why Choose GUOMAT?

Cost Effective: Save 30-40% compared to original branded parts
Strict Quality Control: Every unit (1T6348) is tested for air leakage and burst pressure before packaging
Quick Shipping: Ready to ship for fleet maintenance or emergency repairs

Applications & Fitment

This air spring is commonly used on:

Drive axles and trailer axles of heavy-duty trucks
Bus and coach rear suspension systems
Construction machinery cab suspension (retrofit applications)

Frequently Asked Questions

Q: Is the GUOMAT 1T6348 exactly the same as Contitech 4023NP03?

A: Yes, it is an aftermarket replacement. The mounting dimensions, rolling lobe design, and air inlet thread are identical. The main difference is the branding and the price.

Q: Does this come with the iron piston?

A: Yes. The total weight is 13.5KG, which includes the heavy-duty iron piston specifically designed for truck applications.

Q: Can I use this to replace a Goodyear 1R14-729?

A: Absolutely. The 1R14-729 is listed in our cross-reference guide. The GUOMAT 1T6348 is a 100% direct replacement for Goodyear 1R14-729.

Product Drawing