Prothane Universal Pivot Bushing Kit - 1-1/4 for 1/2in Bolt - Black - 19-603-BL

The Prothane Universal Pivot Bushing Kit (19-603-BL) is a precision-engineered polyurethane bushing set designed for 1-1/4" pivot applications using a 1/2" bolt. Built as a universal-fit suspension and drivetrain component, this kit is the go-to solution when OEM rubber bushings wear out and you need a more durable, performance-oriented replacement. Whether you're refreshing a worn suspension pivot point, upgrading a control arm bushing location, or addressing drivetrain slop, Prothane's urethane construction delivers the resilience and longevity that factory rubber simply can't match.

Key Features & Benefits

• Polyurethane Construction: Prothane manufactures this kit from urethane — a family of elastomers that can be compounded for specific resilience and durability targets. Unlike OEM rubber, polyurethane resists oil, grease, and environmental degradation, meaning these bushings hold up longer in real-world conditions.
• Precision Fabrication: Each bushing is specifically tailored to exact specifications of resiliency, performance, and durability for the application. This precision ensures consistent fit and function without guesswork during installation.
• Universal Fitment Flexibility: Designed as a universal kit for 1-1/4" pivot housings with 1/2" bolts, this part solves bushing needs across a wide variety of vehicles and applications where a direct-fit kit may not exist.
• Performance Over OEM Rubber: Prothane's urethane formulations are designed to be superior to factory rubber bushings in terms of stability and high performance. Reduced flex in pivot joints translates to more predictable handling and steering feel.
• Black Finish: The black colorway blends into underbody and suspension components for a clean, factory-appropriate appearance even on show vehicles or daily drivers.
• Proven Brand Reputation: Prothane has earned strong customer ratings across major automotive platforms, reflecting consistent quality and real-world performance in suspension and drivetrain applications.

Specifications

• Part Number: 19-603-BL
• UPC: 636169019876
• Pivot Housing Size: 1-1/4"
• Bolt Size: 1/2"
• Color: Black
• Material: Polyurethane (urethane elastomer)
• Package Weight: 0.5 lbs.
• Package Dimensions: Approximately 3.5" W x 2.5" H x 3.0" L
• Condition: New

Fitment

The Prothane 19-603-BL is a universal pivot bushing kit — it is not vehicle-specific. It is intended for any application where the pivot housing measures 1-1/4" and the fastener is a 1/2" bolt. This makes it suitable across a broad range of cars, trucks, SUVs, and powersports vehicles that share this pivot geometry in suspension, axle, or drivetrain pivot locations. No specific year/make/model fitment restrictions are listed by the manufacturer for this universal part.

If you are unsure whether this kit matches your specific pivot housing or bolt size, our fitment team can help you verify compatibility before you order — just use the Get Fitment Help contact option or call us directly.

Why Buy from ThreePiece.us

• Free Shipping: Every order ships free — no minimum purchase required.
• Affirm Financing: Break up your purchase into manageable payments with Affirm financing available at checkout.
• Expert Fitment Support: Our team has served 10,000+ customers and specializes in matching the right parts to the right vehicle. Call or message us if you have questions about whether this universal kit fits your application.
• In-Stock Availability: This item is regularly stocked and ready to ship, so you won't be waiting weeks for a special-order part.
• Genuine Products: We carry only authentic Prothane products — no counterfeits or knockoffs.

Frequently Asked Questions

What size pivot housing and bolt does this kit fit?

The Prothane 19-603-BL is designed for a 1-1/4" pivot housing used with a 1/2" bolt. These are the two critical measurements to verify on your vehicle or application before ordering.

Is this a vehicle-specific part or a universal kit?

This is a universal pivot bushing kit. Prothane lists no specific year, make, or model fitment for this part — it is intended to fit any application where the pivot housing and bolt dimensions match the specs above.

What material are these bushings made from?

These bushings are made from polyurethane (urethane elastomer) — a material Prothane specifically compounds for resilience, performance, and durability. Polyurethane outperforms standard OEM rubber in resistance to oil, grease, and wear over time.

How long will shipping take?

This item is regularly stocked at ThreePiece.us and ships free on every order. It is not a special-order item, so standard shipping timelines apply. Contact our team for current lead time details if you need the part by a specific date.