8C0503 NUT CAT Caterpillar Part - WSTPARTS
Caterpillar NUT — Part # 8C0503 / 8C0503
WSTPARTS supplies Caterpillar® genuine & high-quality OEM replacement NUT (Part # 8C0503, cross-ref 8C0503). Designed for CAT 3512, 3516 equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT 3512, 3516
- ✔ Meets Caterpillar original quality and performance standards
- ✔ Genuine CAT parts with anti-counterfeit label | OEM alternatives with warranty
- ✔ Available for order, contact for lead time
Specifications
| Part Number (MPN) | 8C0503 |
| ALT Part No. | 8C0503 |
| Product Name | NUT |
| Brand | CAT |
| Applicable Models | 3512, 3516 |
| Weight | 0.09 kg |
| Condition | New (Genuine / OEM Equivalent) |
| Warranty | 12 Months |
FAQ
How to verify correct part?
Check the Part Number on your old part or your equipment's serial number. Contact WSTPARTS for free verification.
Genuine vs OEM replacement?
Genuine CAT parts come with anti-counterfeit label. OEM equivalents offer great value with full warranty.
📞 Get a Quote: Contact WSTPARTS | Email: cat@wstparts.com
📄 Technical Resources & Diagram
Official parts manual installation diagrams are provided on this page, with part numbers marked for position verification.
View diagrams
Parts Diagram · Installation View
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Hover marks on the diagram to view parts · Scroll to zoom · Drag to pan
17W-4979×1VALVE-CHECK23B-7741×1NIPPLE-PIPE (CLOSE)33N-8468×2CLAMP AS43N-8462×1SEAL-O-RING53N-8469×1CLAMP AS63N-8447×1BODY-DRIVE END73B-450783N-846696I-2092108T-0209117C-3493×1SHAFT128B-7614138B-7613143N-8445153N-8463164M-6107175N-2904185N-2902195N-6055×1SEAL GP203N-8442×1SPACER-SPECIAL215N-2618×1IMPELLER223N-8452×1RING235N-4504×2PLATE-PORT243N-8448×1BODY-DRIVE END253N-8441×2SHIM (0.38-MM THK)263N-8455×2SHIM (0.25-MM THK)278C-0503×1NUT-HEX SLOTTED283N-8446×1WASHER (21X37X3.3MM THK)294P-9312×1COTTER
Quality Guarantee
Warranty Period
12 months / under normal use
After-sales Response
Response within 24h, solution within 48h
Return Policy
Return or exchange within 7 days of receipt (original packaging required)
Quality Inspection
100% inspected before shipment; inspection report on request
Technical Support
Free installation guidance; engineer support online
📦 Packaging
Packing Method
Genuine or neutral packaging available
Protective Packing
Shock-proof & moisture-proof materials
Part Number Label
Individual part number label
Customization
Custom carton marking supported
After-Sales Service Process
01
Contact Us
Describe issue / send photos
02
Engineer Review
Solution within 24h
03
Confirm Solution
Return, repair or replacement
04
Case Closed
Send-back / re-ship / refund