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8970221410 Brake Wheel Cylinder RH For ISUZU NKR NPR NQR 8971398220
Direct replacement brake wheel cylinder (RH / Right Hand Side) for ISUZU NKR, NPR, and NQR medium-duty trucks OE cross reference: 8970221410, 8970221411, 8971398220, 8-97022141-0, 8-97022141-1, 8-97139822-0 Right Hand (RH) side – Rear axle drum brake application Choose from 3 quality levels – China ISUZU (Qingling) Quality / Aftermarket Quality / Famous Brand Quality Critical safety component – Restores proper brake shoe actuation and stopping power MOQ: 1 piece
Description
Products Description
The Brake Wheel Cylinder RH (right-hand side) is a critical component of the rear drum brake system on ISUZU NKR, NPR, and NQR medium-duty trucks. This hydraulic cylinder converts brake fluid pressure into mechanical force, pushing the brake shoes against the brake drum to slow or stop the vehicle .
This wheel cylinder is specifically designed for the right-hand (RH) side of the rear axle on ISUZU's popular N-Series trucks – widely used for cargo transport, delivery services, commercial fleets, and municipal applications worldwide .
Direct replacement brake wheel cylinder (RH / Right Hand Side) for ISUZU NKR, NPR, and NQR medium-duty trucks
OE cross reference: 8970221410, 8970221411, 8971398220, 8-97022141-0, 8-97022141-1, 8-97139822-0
Our product Image
Right Hand (RH) side – Rear axle drum brake application
Choose from 3 quality levels – China ISUZU (Qingling) Quality / Aftermarket Quality / Famous Brand Quality
Critical safety component – Restores proper brake shoe actuation and stopping power
MOQ: 1 piece
Products Specifications
| Parameter | Specification |
|---|---|
| Product Name | Brake Wheel Cylinder RH / Rear Brake Cylinder / Brake Slave Cylinder |
| OE Numbers | 8970221410, 8970221411, 8971398220, 8-97022141-0, 8-97022141-1, 8-97139822-0 |
| Position | RH (Right Hand Side) – Passenger side (for LHD vehicles) / Driver side (for some RHD markets – verify) |
| Application | Rear Axle – Drum Brake System |
| Quality Options | China ISUZU (Qingling) Quality / Aftermarket Quality / Famous Brand Quality |
| Body Material | High-grade cast iron |
| Bore Finish | Precision-honed – smooth surface for seal longevity |
| Piston Material | Aluminum or steel (dependent on quality tier) |
| Seal Material | EPDM or high-temperature rubber (brake fluid compatible – DOT 3, DOT 4) |
| Inlet Thread | Standard brake line fitting (ISUZU OEM specification) |
| Bleeder Screw | Included – 8mm or 10mm (OEM specification) |
| Mounting Type | 2-bolt flange mount to backing plate |
| Compatible Models | ISUZU NKR, NPR, NQR (see fitment table below) |
| H/S Code | 8708309900 |
| Place of Origin | China |
| MOQ | 1 piece |
| Warranty | 1 Year |
| Our Basement | China |
Related products
Brake Shoe For ISUZU TFS UCS Trucks
Signs Your Brake Wheel Cylinder Needs Replacement
Key warning signs to watch for include:
- Visible Brake Fluid Leaks: A failing wheel cylinder will often leak fluid, which can be seen leaking onto the tire or rim.
- Spongy or Soft Brake Pedal: Internal leaks reduce hydraulic pressure, resulting in a pedal that feels less responsive, sinks toward the floor, or requires excessive pumping.
- Uneven Braking or Pulling: If one wheel cylinder sticks, the vehicle may pull to that side during braking, particularly at high speeds.
- Reduced Braking Performance: The car may take longer to stop, or braking may feel less effective.
- Rusted or Stuck Pistons: The piston inside the cylinder may get stuck, keeping the brake shoes in constant contact with the drum, causing drag.
- Warning Light: A brake system warning light (such as the brake light or ABS) may illuminate on the dashboard.
Why choose us?
| Reason | Benefit |
|---|---|
| 3 quality options on one page | Compare and choose based on your budget and reliability needs |
| China ISUZU (Qingling) Quality available | OEM-grade for fleet and shop use – best value |
| Famous Brand Quality available | Premium Tier 1 supplier options for maximum safety |
| Right-hand side specific | Correct fitment – no confusion during ordering |
| Precision machined bore | Smooth piston movement – consistent braking performance |
| Quality seals | Prevents leaks – maintains hydraulic pressure |
| 100% pressure tested | Verified before shipment – no DOA parts |
| Low MOQ (1 piece) | Perfect for single-wheel replacement or sample testing |
| Fast delivery | 1–8 working days worldwide |
| 1-year warranty | Peace of mind on every order |
| Bulk discounts available | Contact us for fleet and wholesale pricing |
For Isuzu Chassis Parts Image Navigation
FAQ
Q1: Is this the left side or right side wheel cylinder?
A: This listing is for the RH (Right Hand) side wheel cylinder.
| Vehicle Type | RH Side Location |
|---|---|
| LHD (Left Hand Drive) – USA, China, Europe, South America | Passenger side |
| RHD (Right Hand Drive) – UK, Australia, Japan, Thailand, India | Driver side (verify for your specific market) |
The matching LH (Left Hand) side wheel cylinder has different OE numbers. Please contact us if you need the LH side.
Q2: What OE numbers should I compare with my old part?
A: Compare with: 8970221410, 8970221411, 8971398220, 8-97022141-0, 8-97022141-1, or 8-97139822-0
Q3: Will this fit my ISUZU NPR with dual rear wheels?
A: Yes, this wheel cylinder fits NPR models with rear drum brakes, including dual rear wheel (DRW) configurations. However, please verify your original part number matches.
Q4: Do I need to replace both rear wheel cylinders at the same time?
A: Highly recommended. When one wheel cylinder fails, the other side is likely near the end of its service life. Replacing in pairs ensures balanced braking and saves labor costs in the long run.
Q5: Should I replace brake shoes at the same time?
A: Yes. If a wheel cylinder leaked, the brake shoes on that wheel are almost certainly contaminated with brake fluid. Contaminated shoes will not grip properly and can cause uneven braking or brake fade. Always replace shoes in pairs (both rear wheels).
Q6: Can I replace just the seals instead of the whole cylinder?
A: While rebuild kits exist for some wheel cylinders, we do not recommend seal-only replacement on commercial truck brake systems. A failed cylinder may have bore pitting, scoring, or corrosion that a new seal cannot fix. Complete cylinder replacement is the safer and more reliable option.
Q7: Do you offer wholesale pricing for bulk orders (fleet / shop quantities)?
A: Yes. Please contact us with your quantity and preferred quality level for a competitive quote.
Q8: What is your warranty policy?
A: This product comes with a 1-year warranty against manufacturing defects. Please contact our support team for any issues.
Q9: Can I get custom branding or packaging?
A: Yes. Custom packing with your logo or specifications is available for bulk orders.
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