SKU: 99656518504

Ultima | Rear Brake Wheel Cylinder RHS R/L Single Tyre | Dyna BU6# BU100 1985–1999 | JB3159

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Description

Ultima | Rear Brake Wheel Cylinder RHS R/L Single Tyre | Dyna BU6# BU100 1985–1999 | JB3159Ultima Rear Brake Wheel Cylinder RHS R L (JB3159) for Toyota Dyna BU6# & BU100 Single Rear Tyre 19851999 This Ultima Rear Brake Wheel Cylinder (JB3159) is designed as a high quality, direct OE replacement for the Rear Right Hand Side (RHS) 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. It fits the Dyna BU6# series (January 1985 to December 1988) and the

Ultima Rear Brake Wheel Cylinder RHS R/L (JB3159) for Toyota Dyna BU6# & BU100 Single Rear Tyre 1985–1999

This Ultima Rear Brake Wheel Cylinder (JB3159) is designed as a high-quality, direct OE replacement for the Rear Right-Hand Side (RHS) 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. 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 RHS 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 Right-Hand Side (RHS), Trailing/Lower Shoe.
  • Complete Unit: Supplied ready to install with pistons, seals, and boots.

Technical Specifications

  • Brand: Ultima
  • Part Number (SKU): JB3159
  • Type: Brake Wheel Cylinder
  • Position: Rear Right-Hand Side (RHS) 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

Make Model Series Years Position
Toyota Dyna (Single Rear Tyre) BU6# 1985–1988 Rear Right (RHS) R/L
Toyota Dyna (Single Rear Tyre) BU100 1995–1999 Rear Right (RHS) R/L

Important Information

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Shipping Notes
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Exchange/Return Notes
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SKU: 99656518504

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Garfield S
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★★★★★ 5
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I picked this up looking for something simple but clean, and it delivered. The fit is comfortable, the material feels solid, and it looks good without needing much effort. It’s one of those pieces you can throw on and still look put together.
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Reviewed in the United States on March 29, 2026
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Rob75432
Lowell, US
★★★★★ 4
Good value, soft and comfortable
Color: Black, Army Green, Light Gray, Size: 4X-Large, Color: Black, Army Green, Light Gray, Size: 4X-Large
Initial thoughts are very positive with this 3 pack shirt set. The green is similar to an OD military green and the black and gray are standard color shades. Material is soft and sizes are true to size. The mock turtleneck isn’t too tight but may still be a little annoying to some people. I do question the amount of spandex in these shirts. Tag says 5% but these shirts are extremely stretchy and feels like a higher spandex content. It’s also a little tough to figure out which way is the front of the shirt. Visually rhe front does have a lower collar line than the back but would still be nice to have a brand tag printed in the back of the shirt for quicker identification. Overall for roughly $12 a shirt these are a good choice for everyday wear. I will update rating if these shirts fail to meet expectations after further use.
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Reviewed in the United States on April 8, 2025
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Eliot
Massapequa, US
★★★★★ 5
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Color: Black, Army Green, Light Gray, Size: 5X-Large
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Reviewed in the United States on May 28, 2026
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Dr. DeeJaye
Natrona Heights, US
★★★★★ 5
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Chloe
Louisville, US
★★★★★ 3
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