What are your packaging and transportation methods?

We support sea freight, air freight, and express delivery.

Do you test all your goods before delivery?

Yes, all of our truck spare parts undergo strict professional testing before delivery. We conduct full inspection on performance, compatibility and appearance to ensure zero defect products. This is why our goods own stable quality and low failure rate, effectively avoiding after-sales problems.

Neutral packing of paper carton or wooden case. Or we customize the packaging according to your requirements.

Trailer Pneumatic Four-Circuit Protection Valve Replacement

Name: Trailer Pneumatic Four-Circuit Protection Valve Replacement
Brand: Shandong Zhengjia Power International Trade Co., Ltd.
SKU: 2188641922

Shandong, ChinaShandong Zhengjia Power International Trade Co., Ltd.

US$10.00-15.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Color

Gray

Compatibility

Freightliner

Model NO.

Delong M300

Finish

Chrome Plated

Installation Method

Bolt-on

Material

Aluminum

Placement

Front

Structure

Load-bearing Body

Style

Custom Style

Type

Bumper

Weight

0.96kg

Brand

Delong

Size

105*105*107mm

Product Model

Delong M300

Transport Package

Customizable

Specification

105*105*107mm

Trademark

Delong

Origin

China

Key features

Four-Circuit Protection: Supplies compressed air to four independent circuits and maintains supply if one leaks.

Fail-Safe Brake System: Automatically cuts off faulty circuits to prevent total loss of braking power.

High-Precision Sealing: Maintains stable pressure under continuous vibration and fluctuating temperatures.

Quick Replacement Design: Compact structure and standardized size simplify installation and inspection.

Durable Aluminum Material: Constructed from aluminum with chrome plating for long-lasting performance.

Customizable Packaging: Supports neutral packing or customized packaging according to client requirements.

Strict Quality Testing: All parts undergo full inspection on performance, compatibility, and appearance.

Cost-Effective Spare Part: Designed for bulk procurement with high cost performance and reliability.

Company profile

Shandong Zhengjia Power International Trade Co., Ltd.Shandong, China

Business Type: Trading CompanyAverage Response Time: ≤15h

About Our Factory & Business Background

AddressNo. 105, Room 16, Shandong Heavy Truck Parts Logistics Center, Tianqiao District, Jinan, Shandong, China

Our Production Capability & Technical Expertise

Main ProductsTruck Signal, Heavy Truck Part, Truck Diesel Engine, Steering Pump

Product Q&A

Q:Why should I choose your products?

Our truck parts feature stable high quality and favorable factory price. Every product is fully tested to guarantee reliability, helping you win the market with high cost performance.

Q:What is your sample policy?

We can supply samples if we have ready parts in stock, but customers must pay the sample cost and courier cost.

Q:What is your MOQ?

Different items have different MOQ demands. Please contact us for detailed information.

Q:What is the delivery cycle?

Our delivery cycle varies based on stock status. For in-stock truck parts, shipment can be arranged within 3-7 working days. For customized or out-of-stock items, the production lead time is 15-25 working days. We can prioritize delivery for urgent orders.

Q:What are your terms of payment?

T/T 30% as deposit, and 70% before delivery. We also accept L/C, Western Union, and PayPal. We will discuss details based on specific product models.