The FAW differential bearing adjusting ring (part numbers 2403071-A4R and 2403071-A4C) is a crucial drivetrain component built for FAW commercial heavy-duty trucks. Manufactured under original OEM specifications, this threaded collar lets mechanics set the exact bearing preload and gear lash inside the differential housing, preventing premature wear and gear noise during long-haul trips.
⚙️ Reliable Axle Adjustment for Heavy-Duty Diesels
Maintaining correct bearing preload and ring-and-pinion gear backlash is essential to avoiding axle overheating and gear failure. The differential adjusting ring delivers dependable performance:
- Precise Clearance Control: Threaded design allows fine adjustments to achieve perfect gear mesh and bearing tension.
- High-Strength Steel Build: Rugged metal construction resists stripping, cracking, and deformation under heavy axle loads.
- Compatibilité directe avec les pièces d'origine : Engineered to match factory differential carrier housing threads and bearing caps for a precise, secure installation.
📊 Caractéristiques techniques et liste de mots-clés
| Fonctionnalité | Détails techniques |
| Référence d'origine du constructeur | 2403071-A4R / 2403071-A4C |
| Composante « Focus » | Bague de réglage – palier différentiel |
| Compatibilité avec les véhicules | FAW J6, FAW J6P |
| Fonctionnalités du produit | Rear Axle Bearing Preload & Backlash Setting |
| Niveau de qualité | Norme des fabricants d'équipements d'origine (OEM) |
| Assistance aux grossistes | +86 186 7197 8898 |
❓ Foire aux questions (questions techniques et guide d'achat)
Q: What is the main function of the 2403071-A4R/C adjusting ring?
R : It adjusts the position of the differential carrier assembly inside the axle housing, allowing technicians to set proper bearing preload and gear backlash.
Q: When should a differential bearing adjusting ring be replaced?
R : It should be replaced if the threads are stripped, damaged during disassembly, or worn down during a differential rebuild.
Q: How do I verify that part number 2403071-A4R or 2403071-A4C fits my truck?
R : Vous pouvez consulter votre catalogue de pièces ou envoyer le numéro d'identification du véhicule (VIN) et le numéro de modèle de l'essieu de votre châssis de camion FAW à notre équipe d'assistance technique via WhatsApp à l'adresse suivante : +86 186 7197 8898 pour une confirmation immédiate.
🤝 Demandes de renseignements concernant la vente en gros et l'exportation à l'international
We export genuine FAW heavy-duty axle, differential, and commercial truck parts to fleet managers, repair shops, and auto parts distributors worldwide. Contact us today for competitive bulk pricing and fast international shipping.








