SKU: 92323539357

Ultima | Rear Brake Wheel Cylinder LHS F/U | Coaster BB21 HZB30 Dyna BU6# 1982–1993 | JB3141

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Description

Ultima | Rear Brake Wheel Cylinder LHS F/U | Coaster BB21 HZB30 Dyna BU6# 1982–1993 | JB3141Ultima Rear Brake Wheel Cylinder LHS F U (JB3141) for Toyota Coaster BB21 HB30 HZB30 RB20 & Dyna BU6# YU6# 19821993 This Ultima Rear Brake Wheel Cylinder (JB3141) is designed as a high quality, direct OE replacement for the Rear Left Hand Side (LHS) of various Toyota Coaster buses and Dyna light trucks. This part is the **Front Upper (F U) or Leading Shoe** cylinder, which is one of two cylinders mounted on the rear drum brake assembly for these heavy

Ultima Rear Brake Wheel Cylinder LHS F/U (JB3141) for Toyota Coaster BB21/HB30/HZB30/RB20 & Dyna BU6#/YU6# 1982–1993

This Ultima Rear Brake Wheel Cylinder (JB3141) is designed as a high-quality, direct OE replacement for the Rear Left-Hand Side (LHS) of various Toyota Coaster buses and Dyna light trucks. This part is the **Front/Upper (F/U) or Leading Shoe** cylinder, which is one of two cylinders mounted on the rear drum brake assembly for these heavy-duty commercial vehicles. It fits models from the approximate 1982 to 1993 production range. 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 high load conditions.

Features & Benefits:

  • Direct Fit OE Replacement: Designed to match the fit, form, and function of the original equipment wheel cylinder on the LHS Leading Shoe position.
  • Heavy-Duty Construction: Built for durability and dependable braking performance in bus and light truck applications.
  • 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), Leading/Upper Shoe.
  • Complete Unit: Supplied ready to install with pistons, seals, and boots.

Technical Specifications

  • Brand: Ultima
  • Part Number (SKU): JB3141
  • Type: Brake Wheel Cylinder
  • Position: Rear Left-Hand Side (LHS) F/U (Leading/Upper Shoe)
  • Vehicle Models: Toyota Coaster, Toyota Dyna
  • Series: BB21, HB30, HZB30, RB20 (Coaster), BU6#, YU6# (Dyna)
  • Years: 1982–1993 (Approximate range)
  • Use: Minibus / Light Truck

Vehicle Fitment Information

Make Model Series Years Position
Toyota Coaster BB21, HB30, HZB30, RB20 1982–1993 Rear Left (LHS) F/U
Toyota Dyna BU6#, YU6# 1984–1995 Rear Left (LHS) F/U

Important Information

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Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 92323539357

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Dawn
Houston, US
★★★★★ 5
My dog LOVES these balls
Awesome balls! Soft, squishy, and dog can get their teeth into them but they don’t get damaged. My dog absolutely loves them!
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Reviewed in the United States on January 6, 2026
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M. Merritt
Lexington, US
★★★★★ 5
Durable.
These are great for my 13 lb Schnauzer. Just the right size to keep him occupied! He loves chasing after them when we play catch. They’ve held up well to his sharp teeth.
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Reviewed in the United States on July 21, 2025
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SUZANNE BUSE
Boise, US
★★★★★ 5
Nice design
These balls are wonderful, easy to throw and my puppy can hold on to them
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Reviewed in the United States on November 23, 2025
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Miles Schumacher
Houston, US
★★★★★ 5
Durable yet soft ball that our dog enjoys chewing.
The balls are soft and well received by our puppy. They are pretty durable and he enjoys both chasing after them and teething on them.
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Reviewed in the United States on August 27, 2025
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Gery Allen
Phoenix, US
★★★★★ 5
size and quality are excellent
Just the right size for our little dog.
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Reviewed in the United States on December 1, 2025

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