Caterpillar 320B Series: 320B (S/N 4XW00001-UP), 320B L (S/N 4XW00001-UP)
Key Notes:
Part Number: 118-9954
Dimensions: 42" L x 40" W x 13" D
Weight: 151 lbs
Application: Hydraulic oil cooler; manages hydraulic fluid operating temperature on Caterpillar mid-size excavator
Material: Heavy-duty construction
Notes: Fitment applies to S/N 4XW00001 and up — verify serial number prefix before ordering
Location: Hydraulic cooling module on Caterpillar 320B series excavator
This is an aftermarket replacement part.
Why Choose Broken Tractor:
✅ Fits Both 320B Configurations – Covers the standard 320B and 320B L long undercarriage variant from S/N 4XW00001 and up
✅ Serial-Number Verified Fitment – Listed specifically for S/N 4XW00001-UP so you can order with confidence for the correct machine generation
✅ Fast Shipping from a U.S.-Based Team – Large components handled and shipped promptly to reduce your excavator downtime
$1,400.00/ea
Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.
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Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.