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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 |
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4.7 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
WELL CONSTRUCTED. GOOD STITCHING ON NECKLINE AND SLEEVES. GOOD FOR TALL PERSON.
Size: X-Large, Color: Orange
The Automet women's loose-fit tank top is sized just right for me. I'm 5'11', 200 lbs., 57 years old. I've got some back fat that would be obvious in a tight top. This tank is loose enough to hide my back fat but not too loose. From the front, it does not appear loose at all. It's the back area that has extra room. It has a nice, scooped hem. One special feature is the double stitching on the neck and shoulders. It is well-made. It looks more expensive than it is. I bought the Automet tank top in the color orange. It is NOT see-through, nor is it thick. I live in Arizona, in the desert part, where it gets hot. This tank is thin enough to keep me comfortable from May to October when the heat hits. It's hard for me to find the "perfect" tank. I've tried so many. I feel you would be wise to give this tank a try. Worst case, you return it. I love the orange one so much, I plan to purchase all the colors for this hot summer coming up. I wish all of you the same happiness I have found with the Automet tank top.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Good top!!
Size: X-Large, Color: White
True to size! Feels good and is comfortable. Recommended to others!!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
The perfect throw-on athletic dress (with built-in shorts!)
Size: Small, Color: Navy Blue
I’ve been loving this athletic dress—it’s one of those pieces that’s both functional and cute, which is hard to find. The fabric is lightweight, breathable, and slightly stretchy, so it’s comfortable whether you’re running errands, going for a walk, or just chasing kids around all day.
The built-in shorts are a huge plus. They stay in place well and make it feel more secure than a regular dress, especially on busy days. I also appreciate the pockets—they’re actually usable and don’t feel bulky.
The fit is relaxed and flowy, which I personally like because it’s easy and flattering without clinging. The straps are adjustable, so you can customize the fit a bit depending on your height or preference.
I’d say it runs true to size for a looser fit. If you want it more fitted, you could size down, but I like the casual, sporty look as is.
Overall, this is a great everyday summer staple—super easy to style with sneakers or sandals, and perfect for travel or on-the-go days. I’ll definitely be getting more colors!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Perfect for summer days.
Size: Medium, Color: Deep Gray, Size: Medium, Color: Deep Gray
I absolutely love this little athletic summer dress. I typically wear a size ten and ordered this in a medium and it's a perfect fit. I have the straps short so way it doesn't look baggy. It is super soft and comfortable. It is breathable and a perfect cut and length for me so so I plan on wearing it all during hot summer days. This is very versatile and easy to style by layering different things underneath it. I have a gray and leopard sports bra that is a really close shade of gray so it almost looks like it's one piece. I plan to order the teal as I have a swimsuit top that will match that color spot on. It seems like it is good quality and should hold up well to normal usage. I like that it has really big pockets , but I likely will not use them often lol. I just like the fact that if I need to have pockets they are there.
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Reviewed in the United States on April 15, 2026
★★★★★ 4
Size down! But overall comfortable and cute and good quality
Size: Small, Color: Light Yellow
Overall it’s cute and comfortable, but my advice is to SIZE DOWN!!! I wish I would have, but I’ve already washed it so it’s too late. The straps are adjustable, but even so, I’ve had to tighten them as far as they’ll go. For reference, I am 5’1” and 125#, rectangle shaped/boxy body with a very small chest and I got a Small. The top gapes open on me and the dress is longer than I prefer for this style. Material/fabric is nice and good quality and it’s a perfect one-piece easy outfit for warm days. I like the yellow color too. It is tricky to find the right bra to wear with it, though. Got lots of compliments on it the first time I wore it.
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Reviewed in the United States on April 22, 2026