Ultima | Rear Brake Wheel Cylinder RHS R/L | Coaster BB40 HZB50 Dyna BU100 1993–1999 | JB9614
SKU: 26147516663

Ultima | Rear Brake Wheel Cylinder RHS R/L | Coaster BB40 HZB50 Dyna BU100 1993–1999 | JB9614

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Description

Ultima | Rear Brake Wheel Cylinder RHS R/L | Coaster BB40 HZB50 Dyna BU100 1993–1999 | JB9614Ultima Rear Brake Wheel Cylinder RHS (JB9614) for Toyota Coaster BB40 HZB50, Dyna BU100 19931999 This Ultima Rear Brake Wheel Cylinder (JB9614) is designed as a high quality, direct OE replacement for the Rear Right Hand Side (RHS) of heavy duty Toyota commercial vehicles, including the Coaster Bus and Dyna Light Truck, fitting models manufactured between January 1993 and July 1999. This cylinder (often designated R L for the trailing lower shoe

Ultima Rear Brake Wheel Cylinder RHS (JB9614) for Toyota Coaster BB40/HZB50, Dyna BU100 1993–1999

This Ultima Rear Brake Wheel Cylinder (JB9614) is designed as a high-quality, direct OE replacement for the Rear Right-Hand Side (RHS) of heavy-duty Toyota commercial vehicles, including the Coaster Bus and Dyna Light Truck, fitting models manufactured between January 1993 and July 1999. This cylinder (often designated R/L for the trailing/lower shoe position) is a vital component in the rear drum brake system, working in tandem with the front/upper cylinder to convert hydraulic pressure into the necessary stopping force required by the brake shoes to ensure consistent 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 RHS.
  • 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 Right-Hand Side (RHS), Trailing Shoe.
  • Complete Unit: Supplied ready to install with pistons, seals, and boots.

Technical Specifications

  • Brand: Ultima
  • Part Number (SKU): JB9614
  • Type: Brake Wheel Cylinder
  • Position: Rear Right-Hand Side (RHS) R/L (Trailing Shoe)
  • Vehicle Models: Toyota Coaster, Toyota Dyna
  • Series: BB40, HZB50 (Coaster), BU100 (Dyna)
  • Years: 1993–1999 (01/1993 to 07/1999)
  • Use: Bus / Light Truck

Vehicle Fitment Information

Make Model Series Years Position
Toyota Coaster BB40, HZB50 1993–1999 Rear Right (RHS)
Toyota Dyna BU100 1995–1999 Rear Right (RHS)

Important Information

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Shipping Notes
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Exchange/Return Notes
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SKU: 26147516663

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Mopardodgegirl
Waukegan, US
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
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jin
Omaha, US
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026
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AreTrue
Belleville, US
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back. Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
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Samantha
Lexington, US
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
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Tyler and Kaela
Draper, US
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them. The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back. I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026

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