HUTUDAN Height Control Valve Linkage Rod Kit — 2-Pack 13.5–19.5" Adjustable, OE-Style Fit

HUTUDAN's 2-pack adjustable linkage rod kit replaces OE height control valve linkages to restore accurate suspension height and reliable air-suspension operation on heavy-duty trucks.

This complete kit supplies two heavy-duty adjustable linkage rods that fit a range of commercial air-suspension systems. Designed as a direct OE-style replacement for popular part numbers such as Haldex 48100225, Neway SRK168 and Meritor R307852, the rods trim from 18" and adjust between 13.5" and 19.5" to suit many semi-truck and vocational vehicle configurations. Each pack includes rubber end caps, clamps and mounting hardware so technicians and fleet mechanics can finish the repair in one visit.

How will this linkage rod kit fit my truck's air suspension?

The rods are engineered to cover common lengths used on heavy-duty trucks and are adjustable to fine-tune ride height. An 18" straight rod is included and can be shortened to match your specific linkage geometry, while the adjustable threads let you set the final length from 13.5" to 19.5".

• Adjustable range: 13.5"–19.5" for flexible fitment.
• 18" base rod included for on-vehicle trimming.
• Compatible with many OEM numbers—verify vehicle fit before installation.

What components come with the 2-pack and what tools are needed?

Each pack contains two adjustable rods plus the small parts needed to install them so you don’t need to source extras. The hardware kit includes two rubber end caps, two hose clamps and necessary mounting pieces; typical shop tools and a cutting tool to trim the rod are the only additional items required.

• Included: 2 adjustable rods, 2 rubber end caps, 2 hose clamps, mounting hardware.
• Required tools: wrench set, cutting tool for trimming, torque wrench for final tightening.
• Installation time: usually one axle-side replacement per rod—depends on vehicle access.

Will using these rods improve suspension performance and reliability?

Replacing worn or corroded linkage rods with properly adjusted, durable parts restores accurate ride-height signals to the height control valve and improves dump valve function. The kit’s robust construction reduces play at pivot points and helps maintain consistent suspension response under load.

• Precision threads for secure length adjustment and minimal backlash.
• Durable materials resist wear and environmental exposure in fleet use.
• Direct-fit replacement for common OEM linkages to simplify service.

Who is this for: fleet managers, maintenance technicians and owner-operators who need a reliable, cost-effective replacement for damaged or worn height control valve linkages on semi-trucks and heavy commercial vehicles. This HUTUDAN 2-pack is intended for use where compatibility with Haldex, Neway, Meritor and similar OE systems is required; confirm part references and vehicle fitment before purchase. The all-included hardware and adjustable length make it suitable for on-road repairs, preventive maintenance programs, and quick fleet turnarounds where minimizing downtime matters.