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Expansion Tank 331/34633 331/32842 331/30265 for JCB 3CX 4CX JS200 JS360 JS460
$152.99
Sale price
$152.99
Regular price
Available to Order
This coolant expansion tank is an aftermarket replacement for compatible JCB backhoe loaders and JS-series excavators.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
A sound expansion tank is important for coolant recovery, pressure control, and quick visual level checks. This tank is intended to replace an original reservoir that has cracked, leaked at a seam, or developed damaged hose connections.
It replaces 331/34633, 331/32842, and 331/30265. Compare the tank shape, cap opening, hose ports, and mounting points.
Key Features & Performance
- Restores coolant storage and recovery
- Molded reservoir for compatible JCB cooling systems
- Helps replace cracked or leaking tanks
- Designed for a direct fit where specified
Fitment & Compatibility
Compatible with select JCB 3CX and 4CX backhoe loaders and JS200, JS360, and JS460 excavators.
Technical Specifications
- Product Type: Coolant Expansion Tank
- Compatible Brand: JCB
- Part Number(s): 331/34633, 331/32842, 331/30265
- Condition: New
Frequently Asked Questions
Q: How can I tell whether this is the correct JCB tank? A: Use the original part number first, then compare the mounting tabs, hose locations, cap neck, and sensor connection shown in the photos.
Q: Is this an original OEM part? A: No. This is a quality aftermarket replacement designed for compatible applications.
Compatibility may vary by serial number, production date, or equipment configuration. Verify fitment before purchase.