QA1 1-1/2" OD tube adapter full view
Click to zoom in

QA1 Tube Adapter - 1-1/2in OD - Smooth - Right Hand - 5/8-18 Thread .250 Wall - Alloy

QA1
QAP1844-137
806990053619
Suspension Arms & Components
2 Units In Stock - Ships Next Business Day
$ 17.81
$ 17.81

SKU: 1844-137   |   UPC: 806990053619

QA1 1-1/2" OD Smooth Right Hand Tube Adapter - 5/8-18 Thread .250 Wall - Alloy

The QA1 1844-137 Tube Adapter is a precision CNC-machined weld-in component designed to adapt rod ends to 1-1/2" OD tubing with a .250" wall thickness. Made from high-strength, easily weldable chromoly alloy steel, this right-hand threaded adapter (5/8-18 thread) provides a strong, reliable connection for custom suspension links, control arms, sway bars, and other chassis applications. Its smooth OD allows for clean welding and perfect fitment in performance builds.

Key Features

  • 1-1/2" OD x .250" Wall: Designed for common tubing sizes used in performance suspension
  • 5/8-18 Right Hand Thread: Standard thread size for most QA1 rod ends and heim joints
  • High-Strength Chromoly Alloy: Easily weldable material with superior strength and durability
  • CNC Machined to Precise Tolerances: Ensures perfect fit and alignment every time
  • Smooth OD Design: Ideal for clean, professional welds

Specifications

Specification Detail
Part Number 1844-137
Tube OD 1-1/2 inches
Wall Thickness .250 inches
Thread Size 5/8-18 RH (Right Hand)
Material Chromoly Alloy Steel
Style Smooth OD
Application Weld-in tube adapter for rod ends
Country of Origin United States
Warranty Limited (QA1)
Shipping Weight Approx. 0.5-1 lb

What's Included

  • One QA1 1-1/2" OD Smooth Right Hand Tube Adapter

Product Notes

  • Designed for welding into 1-1/2" OD x .250" wall tubing
  • Right-hand thread matches most standard rod ends and heim joints
  • Professional welding and proper alignment recommended for structural applications

Installation Notes

  • Estimated time: 15-30 minutes (welding time), moderate difficulty
  • Clean tubing ends and weld adapter securely using proper chromoly welding techniques
  • Verify thread engagement and alignment after installation

This Part Fits

Application Notes
Custom Suspension Links 1-1/2" OD x .250" wall tubing with 5/8-18 RH rod ends
Control Arms & Chassis Fabrication Universal weld-in adapter for performance builds

Why Choose QA1 Tube Adapters?

  • Precision CNC machined from high-strength, easily weldable chromoly steel
  • Perfect for building custom suspension components
  • Trusted QA1 quality used by professional racers and fabricators

Frequently Asked Questions

  • Q: What thread size is this adapter?
    A: 5/8-18 Right Hand thread compatible with most standard rod ends.
  • Q: What tubing size does it fit?
    A: 1-1/2" OD with .250" wall thickness.
  • Q: Is welding required?
    A: Yes – this is a weld-in tube adapter.

Shipping & Handling

  • Method: UPS / FedEx Ground
  • Availability: In stock ships same or next business day
  • Packaging: Secure protective packaging
  • Weight: Approx. 0.5-1 lb

Request For Information

Have questions about QA1 Tube Adapter - 1-1/2in OD - Smooth - Right Hand - 5/8-18 Thread .250 Wall - Alloy? Fill out the form below and we'll get back to you by the next business day.
QA1

QA1

QA1 suspension parts are stocked at Black Ops Auto Works for American muscle cars and classic trucks. Shop coilover kits, shock absorbers, springs, handling kits, four link systems, sway bars, strut kits, rod ends, and suspension hardware for the Mustang, Camaro, Corvette, Challenger, Charger, and GM B-Body, F-Body, and G-Body platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 536 QA1 SKUs across coilovers, shocks, springs, and handling kit categories. What This Brand Covers QA1 is a suspension manufacturer known for adjustable coilover systems, shock absorbers, and complete handling kits built for muscle cars, classic trucks, drag cars, and pro touring builds. The lineup covers everything from single component shock replacement to full vehicle handling packages. Brand Focus QA1 concentrates on American muscle car and classic truck platforms, with deep coverage of GM, Ford, and ...

View QA1 Products
Suspension

Suspension

Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...

View Suspension Products
Suspension Arms & Components

Suspension Arms & Components

Suspension arms and components for Corvette, Miata, Porsche, Jeep Wrangler, Ford Bronco, Toyota 4Runner and FJ, Nissan 350Z, and classic GM A-Body and G-Body platforms are stocked at Black Ops Auto Works. Shop control arms, camber arms, traction arms, toe arms, tie rod ends, trailing arms, ball joints, and rod ends for street, track, and off-road builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 449 suspension arm SKUs across control arm, camber arm, traction arm, and rod end categories. What This Category Covers Suspension arms and components include the control arms, camber adjustment arms, traction bars, toe arms, tie rod assemblies, and trailing arms that define suspension geometry and connect the wheel hubs to the vehicle chassis. Quality suspension arm upgrades correct geometry on lowered or lifted vehicles and replace worn factory components to restore precise handl...

View Suspension Arms & Components Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×