JOHNNY JOINT / 4 BAR ROD END

Poly Rod End Rubber Bushing Rod Ends

Name: Poly Rod End Rubber Bushing Rod Ends
Brand: SYZ Rod Ends
Availability: InStock

✓ ISO 9001 Certified

✓ SGS Verified

✓ 26+ Years Factory

✓ OEM / ODM Ready

Rubber Bushing Rod Ends for 4-bar and suspension setups
Custom thread size, finish, and materials
Forged or stainless options with precise hole dimensions
OEM support and fast global delivery

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⚡ Typically responds within 24 hours

MOQ:50 pcs / model

Lead Time:7–15 days

Sample:Free (excl. freight)

Payment:T/T · PayPal · L/C

Overview

Poly Rod End Rubber Bushing Rod Ends Overview

【Forged Rubber Bushing Rod Ends for 4-Bar Suspension】 SYZ offers high-performance Rubber Bushing Rod Ends widely used in 4-bar suspension and linkage applications. These forged or stainless rod ends are built for heavy-duty strength and reliability.

poly rod end

【Detailed Size and Thread Specifications】 Available in multiple thread sizes like 5/8-18 and 3/4-16, both RH and LH. Options include carbon steel with zinc plating or stainless steel with polished finish.

Thread	Description	Rod End Style	Material	Finish	Spec.
5/8-18 RH	Forged 4-Bar Rod Ends, 5/8-18 RH Thread	Solid	Carbon Steel	Zinc Plated	Overall Length: 3.69″ Overall width: 1.370″ Hole Diameter: 0.5″ Thread Pitch: 5/8″-18
5/8-18 LH	Forged 4-Bar Rod End, 5/8-18 LH Thread	Solid	Carbon Steel	Zinc Plated	Overall Length: 3.69″ Overall width: 1.370″ Rod end width: 1.050″ Rod end I.D.: 1.125″ Steel sleeve O.D.: 0.750″ Steel sleeve I.D.: 0.500″ Threaded shaft length: 1-7/8″ Thread Pitch: 5/8″-18
5/8-18 RH	Stainless Steel 4-Bar Rod Ends, 5/8-18 RH Thread	Solid	Stainless Steel	Polished	Overall Diameter: 1.5″ Overall width: 1.370″ Rod end width: 1.050″ Rod end I.D.: 1.125″ Steel sleeve O.D.: 0.750″ Steel sleeve I.D.: 0.500″ Threaded shaft length: 1-7/8″ Thread Pitch: 5/8″-18 Thread Length: 1.875″ Hole Diameter: 0.5″
5/8-18 LH	Stainless Steel 4-Bar Rod End, 5/8-18 LH Thread	Solid	Stainless Steel	Polished	Rod End Head Width: 1.37″ Overall Length: 3.60″ Overall Diameter: 1.5″ Center Hole to End of Shank: 2.875 Overall width: 1.370″ Rod end width: 1.050″ Rod end I.D.: 1.125″ Steel sleeve O.D.: 0.750″ Steel sleeve I.D.: 0.500″ Threaded shaft length: 1-7/8″ Thread Pitch: 5/8″-18 Thread Length: 1.91″ Hole Diameter: 0.5″
3/4-16 RH	Forged Stainless 4-Bar Rod End, 3/4-16 RH Thread	Solid	Stainless Steel	Polished	Thread Pitch: 3/4″-16 Thread Length: 1.63″ Hole Diameter: 0.625″ Overall Length: 3.65″ Overall Diameter: 1.5″ Center Hole to End of Shank: 2.75″
3/4-16 LH	Forged Stainless 4-Bar Rod End, 3/4-16 LH Thread	Solid	Stainless Steel	Polished	Thread Pitch: 3/4″-16 Thread Type: LH Male Thread Length: 1.75″ Hole Diameter: 0.625″ Overall Length: 3.68″ Overall Diameter: 1.5″ Center Hole to End of Shank: 2.75″
3/4-16 RH	Forged 4-Bar Rod End, 3/4-16 RH Thread	Solid	Carbon Steel	Zinc Plated	Thread Pitch: 3/4″-16 Thread Length: 2″ Hole Diameter: 0.625″ Overall Length: 3.75″ Center Hole to End of Shank: 3.00″
3/4-16 LH	Forged 4-Bar Rod End, 3/4-16 LH Thread	Solid	Carbon Steel	Zinc Plated	Thread Pitch: 3/4″-16 Thread Length: 2″ Hole Diameter: 0.625″ Overall Length: 3.75″ Overall Diameter: 1.55″ Center Hole to End of Shank: 3.00″
3/4-16 RH	Rod End Supply FBE12 Steel 4-Bar Rod End, 3/4-16 RH Thread, Straight	Spherical Bearing	Carbon Steel	Black Oxide	Overall Length: 3.84″ Overall Diameter: 1.63″ Center Hole to End of Shank: 3.00 Hole Diameter: 0.625″ Thread Pitch: 3/4″-16 Thread Length: 1.93″
3/4-16 RH	Plain Steel 4-Bar Rod End, 3/4-16 RH Thread	Spherical Bearing	Plain Steel	Black Oxide	Thread Pitch: 3/4″-16 Thread Length: 2.00″ Hole Diameter: 0.625″ Overall Diameter: 1.63″
11/16-18 RH	Forged 4-Bar Rod End, 11/16-18 RH Thread	Solid	Carbon Steel	Zinc Plated	Thread Pitch: 11/16″-18 Hole Diameter: 0.5″ Rod End Head Width: 1.4″ Overall Diameter: 1.47″
11/16-18 RH	Stainless Steel 4-Bar Rod End, 11/16-18 RH Thread	Solid	Stainless Steel	Polished	Thread Pitch: 11/16″-18 Hole Diameter: 0.5″

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Quality Control

Every Unit Inspected Before Shipment

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Raw Material Inspection

Material certifications verified before machining and assembly begin.

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Dimensional Check

Critical dimensions are checked against drawing or sample requirements.

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Surface Inspection

Visual inspection confirms finish quality, burr removal, and assembly cleanliness.

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Batch Documentation

Inspection reports and production traceability can be provided on request.

Applications

Where Johnny Joint / 4 Bar Rod End Products Are Used

Off-Road and 4-Link Suspension

Rebuildable flex joints are designed for articulated suspension links where the joint must accommodate movement while remaining serviceable. Verify travel, mounting width, bolt size, and bushing preload in the complete link.

Custom Chassis and Control Arms

These joints are commonly integrated into fabricated control arms, radius rods, and trailing links on custom vehicles. Use appropriate spacers and bracket geometry to prevent binding through suspension travel.

Motorsport and Specialty Equipment

The serviceable format can help teams and builders inspect or replace wear components without replacing the whole link. Set maintenance intervals according to contamination, shock, and duty-cycle conditions.