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

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SKU: 92323539357

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Amanda Morrison
Omaha, US
★★★★★ 5
Must have for Officers
Format: Paperback
Very informative and easy to understand.
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Reviewed in the United States on January 14, 2026
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Greg
Bozeman, US
★★★★★ 5
Should be mandatory reading for police academies and be in every cops' patrol bag
This book should be mandatory reading for police academies and be in every cops' patrol bag for quick reference. I am a police officer (8+ years) and stay on top of search and seizure case law as much as possible. This book is easy to read and gets the essential information on everything that has to do with police search and seizure. The topics are easy to find, and all are no more than 1-2 pages. Every sections cites the appropriate case law and offers tips for articulating PC for that type of incident.
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Reviewed in the United States on February 12, 2018
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West Palm Beach, US
★★★★★ 5
Very helpful for law enforcement
Got this book recently and I am very impressed and happy I purchased it. I will keep this review short and to the point. This book covers everything with various searches including, cars, homes, etc. Anyone that works in law enforcement should pick this up as it provides what you can and cannot do, along with example cases. Great guide for any rookie and even vets that need a refresher.
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Reviewed in the United States on April 10, 2020
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L.B. LAPD
Bozeman, US
★★★★★ 5
A must have for all officers!
This book is a must-have for ALL officers. I use it constantly as my go-to reference for tricky search issues. My sergeant also has a copy and she reads one of the sections (about 1-2 pages) a few times a week during roll call. I hope that the author comes out with another book just with search warrant template language.
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Reviewed in the United States on October 10, 2018
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Rosa Hyatt
Houston, US
★★★★★ 5
Super informative and relieves some stress over questions that I have
Really informative and will help with a lot of questions that I have and questions that others need answered. Have been taking many blue to gold courses and I’m so intrigued to possibly make this a deep learning process for myself.
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Reviewed in the United States on April 26, 2020

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