Oil Cap O-ring for Dexter 21-36 Cap
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Replacement O-ring for Dexter 21-36 oil bath hub cap — the rubber seal between the hub cap and hub body that prevents gear oil leakage. This is one of the most frequently needed maintenance items for oil bath trailer hubs. Replace every time you remove the cap for inspection or oil change.
⚙️ Key Features
- Genuine Dexter Replacement
- Fits Dexter 21-36 Oil Bath Caps
- Oil-Resistant Rubber: Maintains seal against gear oil and heat
- Critical Maintenance Item: Prevents leaks that lead to bearing failure
📐 Specifications
- Dexter Part #: 010-045-00
- Fits: Dexter 21-36 oil bath hub caps
🔄 Cross Reference: Dexter 010-045-00. For Dexter oil bath hubs on 10K-16K trailer axles.
💡 Keep spares in your trailer tool kit. A leaking cap O-ring is the #1 cause of oil bath bearing failures.
📞 Call/Text: 517-225-1991 🌐 AAATrailer.com
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