Ultima | Rear Brake Wheel Cylinder LHS R/L Single Tyre | Dyna BU6# BU100 1985–1999 | JB3158

Ultima Rear Brake Wheel Cylinder LHS R/L (JB3158) for Toyota Dyna BU6# & BU100 Single Rear Tyre 1985–1999

This Ultima Rear Brake Wheel Cylinder (JB3158) is designed as a high-quality, direct OE replacement for the Rear Left-Hand Side (LHS) of specific Toyota Dyna light truck models equipped with **Single Rear Tyres (SRW)**. This part is the **Rear/Lower (R/L) or Trailing Shoe** cylinder, which works in tandem with the leading shoe cylinder (JB3156) on the same axle. It fits the Dyna BU6# series (January 1985 to December 1988) and the BU100 series (July 1995 to May 1999). It is crucial to confirm your vehicle uses single rear tyres, as dual-tyre models may require a different part. This cylinder is a vital component in the rear drum brake system, converting hydraulic pressure into the necessary stopping force required by the brake shoes to ensure safe and dependable performance under load.

Features & Benefits:

• Direct Fit OE Replacement: Designed to match the fit, form, and function of the original equipment wheel cylinder on the LHS Trailing Shoe position.
• Single Rear Tyre Specific: Correct fitment for Dyna models that are not dual-rear-wheel (DRW).
• Heavy-Duty Construction: Built for durability and dependable braking performance in light commercial use.
• Reliable Braking: Ensures accurate hydraulic pressure transfer for consistent and responsive drum braking performance.
• Corrosion Resistance: Manufactured from durable materials for protection against corrosion and wear.
• Position Specific: Designed exclusively for the Rear Left-Hand Side (LHS), Trailing/Lower Shoe.
• Complete Unit: Supplied ready to install with pistons, seals, and boots.

Technical Specifications

• Brand: Ultima
• Part Number (SKU): JB3158
• Type: Brake Wheel Cylinder
• Position: Rear Left-Hand Side (LHS) R/L (Trailing/Lower Shoe)
• Vehicle Model: Toyota Dyna
• Series: BU6#, BU100
• Tyre Configuration: Single Rear Tyres only
• Years: 1985–1999 (Specific ranges apply per series)
• Use: Light Truck

Vehicle Fitment Information

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