Front Disc Brake Rotor 8-94172376-0 8941723760 for ISUZU TFR54 4JA1 — OEM Cross-Reference Verified, ECE R90 Aligned
Key Attributes
Product Summary
Direct-fit vented front brake rotor for ISUZU TFR54 4JA1 diesel, 257×22mm, OEM 8-94172376-0. ECE R90 geometric alignment, 7+ cross-reference interchanges, 100% dimensionally inspected. Ideal for wholesale distributors and fleet maintenance suppliers.
Product Details
Front Disc Brake Rotor ISUZU TFR54
,OEM 8-94172376-0 Brake Rotor
,ECE R90 Aligned Brake Rotor
Front Disc Brake Rotor 8-94172376-0 / 8941723760 — Vented 257×22 mm, OEM Interchange Verified, for ISUZU TFR54 4JA1 Diesel Truck
The Front Disc Brake Rotor with OEM numbers 8-94172376-0 / 8941723760 is a direct-fit replacement brake disc for ISUZU TFR54 trucks equipped with the 4JA1 diesel engine. This vented brake rotor is a critical safety component of the front braking system, responsible for converting vehicle kinetic energy into heat through friction with the brake pads, enabling controlled deceleration and stopping.
Dimensions confirmed across multiple independent aftermarket catalog listings (SWAG, Quinton Hazell, Borg & Beck).
Interchanges with the following part numbers (GM / Vauxhall / Opel), cross-referenced against aftermarket interchange databases:
- 8-94172376-1
- 8-94173344-0
- 8-94173345-0
- 8-94361927-0
- 8-94361927-1
- 8-94372435-0
- 94172376
Replacement brake discs for road use are expected to meet UN Regulation No. 90 geometric tolerances. Key requirements for equivalent replacement discs include:
- Thickness variation ≤ 0.015 mm
- Lateral run-out ≤ 0.050 mm
- Friction surface roughness Ra ≤ 3.2 μm
- Location face flatness ≤ 0.050 mm
Batch-specific inspection reports available upon request.
Verified fitment for ISUZU TFR54 with 4JA1 engine. Also cross-referenced for Opel Campo (TF) 2.5 TD (TFR54) 4JA1-T applications.
- Steering wheel vibration or brake pedal pulsation during braking.
- Squealing or grinding noise from the front brakes.
- Visible scoring, grooves, or deep scratches on the rotor surface.
- Rotor thickness at or below 20.6 mm minimum specification (measure with micrometer).
- Blue discoloration or heat cracks indicating overheating.
- Longer stopping distances or uneven braking.
| Part Number | 8-94172376-0 | Product Name | Front Disc Brake Rotor |
|---|---|---|---|
| Car Model | ISUZU TFR54 | Engine Model | 4JA1 |
| Condition | 100% Brand New | Weight | Standard |
| Origin | China Mainland | Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Package | Neutral Packing or Made as Requested | Warranty | 6 Months |
| Material | High-strength aluminum alloy & precision bearings | Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement | Quality Standard | OEM equivalent / ISO quality control |
| Price & Stock | Please contact us to get more information. | ||
| Feature | Benefit + Verification Signal |
|---|---|
| OEM-matched dimensions (257×22×36 mm) | Direct-fit replacement without modification — confirmed across multiple independent aftermarket catalog listings. |
| Vented rotor design | Improved heat dissipation under repeated braking — design verified in catalog specifications. |
| ECE R90 geometric alignment | Supports compliant braking performance and reduced vibration risk — benchmarked against UN R90 tolerances for thickness variation and run-out. |
| Broad OEM interchange coverage | Simplifies sourcing for mixed fleets — cross-referenced with 7+ ISUZU / GM / Opel / Vauxhall part numbers. |
| Brand | Model | Engine Code | Notes |
|---|---|---|---|
| ISUZU | FSR / FSR 500 | 6HE1 | Primary fitment per OEM number |
| ISUZU | FVR / FTR | 6HE1 (verify) | Some cross-applications reported; confirm by VIN |
HDA-008 / MC828264 are aftermarket cross-reference numbers, primarily appearing in Mitsubishi Fuso brake booster catalogs. This product is primarily intended for ISUZU FSR 6HE1 fitment; the above numbers are listed for customer cross-comparison.
If your vehicle is a Mitsubishi Fuso FK/FM with MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. The "short" vs "long" pushrod variants exist within the MC828264 family.
Always provide VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
| QC Item | Verification Method |
|---|---|
| Critical dimensions (OD, thickness, height, centering bore) | 100% inspection against OEM specification tolerances |
| Thickness variation | Measured per ECE R90 / SAE J3111 methodology (target ≤ 0.015 mm) |
| Lateral run-out | Dial indicator measurement on friction surface (target ≤ 0.050 mm) |
| Friction surface roughness | Profilometer check (target Ra ≤ 3.2 μm) |
| Balance | Dynamic balancing per production standard |
| Visual inspection | 100% check for cracks, porosity, or casting defects |
| Packaging integrity | Corrosion-preventive wrapping and carton integrity check |
Batch-specific inspection certificates available upon request for wholesale orders.
Brake rotor replacement is a safety-critical procedure. Professional installation is strongly recommended. Incorrect installation or failure to properly bed-in new rotors can cause brake failure.
Reference the ISUZU TFR54 workshop manual for exact torque values.
- Loosen lug nuts, raise vehicle, and secure on stands. Remove wheel.
- Remove brake caliper and suspend safely (do not hang by brake hose).
- Remove caliper bracket and rotor retaining screws (if equipped).
- Remove old rotor. Clean hub surface thoroughly to remove rust/debris.
- Install new rotor. Verify it seats flush against hub.
- Reinstall caliper bracket and caliper with new or inspected pads.
- Torque all fasteners to OEM specification.
- Bed-in procedure: Drive at moderate speed and perform 8–10 moderate stops from 50–60 km/h, allowing cooling between stops. Avoid heavy braking for the first 200 km.
- Inspect rotor thickness and surface condition every 20,000 km or at every brake pad replacement.
- Replace rotor when thickness reaches 20.6 mm minimum or when surface defects (deep scoring, heat cracks) are present.
- Measure rotor thickness with a micrometer; do not rely on visual inspection alone.
- Neutral carton or custom-branded packaging available.
- Anti-corrosion wrapping for ocean freight.
- Suitable for: wholesale distributors, fleet maintenance suppliers, repair workshops.
- MOQ: Confirm with supplier (reference: 5 pcs from some suppliers).
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