251-3227 Coolant Tank Cap for Caterpillar Excavators 320D 323D 324D 330D

251-3227 Coolant Tank Cap – High-Quality Aftermarket Replacement for Caterpillar Excavators

Secure your Caterpillar excavator’s cooling system with this premium aftermarket 251-3227 coolant tank cap assembly. Engineered as a direct OEM replacement, it provides a pressure-tight seal to maintain proper coolant pressure, prevent leaks, and protect against overheating in demanding job site conditions.

Key Benefits for Contractors and Operators

• Prevents Overheating and Leaks: Reliable pressure release valve and seal keep coolant contained, reducing risk of boil-over and system damage.
• Direct Fit Installation: Matches genuine Cat specs for quick, twist-on replacement – easy to install during routine checks or service.
• Built Tough for Heavy Duty Use: Durable construction resists heat, pressure, and corrosion for long-lasting performance in harsh environments.
• Cost-Effective Alternative: OEM-level sealing and safety at aftermarket pricing – ideal for fleet maintenance and budget-conscious operations.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Caterpillar Models

This coolant tank cap is commonly used in cooling systems for models including (verify your machine’s parts manual for exact fit):

• 320D, 320D L, 320D GC, 320D2
• 323D, 324D, 325D, 329D
• 330D, 336D, 340D and related series
• Also various wheel loaders, track loaders, and motor graders

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.