Caterpillar 239D Front/Rear Idler - 536-3555

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$436.89 $529.99 Save $93.10
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Product introduction

NRP 536-3555 front/rear idler for Caterpillar 239D compact track loader parts selection. Sold as an individual idler.

Position and function

Guides the track at the approved front or rear installation position and works with the undercarriage track-tensioning system to maintain track alignment and control slack.

Reference and sales unit

Reference 536-3555. Sold as an individual idler.

Compatibility and fitment

  • Caterpillar 239D: For Caterpillar 239D only where the selected front or rear position uses the documented triple-flange 536-3555 idler configuration. Confirm the existing part number, flange arrangement and mounting. The standard double-flange and single-flange idlers are separate configurations.
About Our Brand

Built with Purpose

At NRP, we don’t just sell parts, we build trust. Every product we offer is backed by years of hands-on experience, careful sourcing, and a commitment to quality that keeps your machines running longer and smoother.

We stand behind everything we sell with a 12-month warranty no gimmicks, no fine print. If it doesn't hold up, we make it right.

Whether you're in the field or in the shop, our team is here to support you with reliable parts and real-world knowledge. It's not just what we do, it's who we are.

Compatible With Leading Equipment Brands

Our premium replacement undercarriage parts and rubber tracks are engineered to fit a wide range of construction equipment. We offer reliable, high-performance solutions compatible with the following major brands:

ASV, Bobcat, Boxer, Caterpillar, Daewoo, Ditch Witch, GEHL, Hanix, Hitachi, IHI, JCB, John Deere, Kobelco, Komatsu, Kubota, Morooka, Mustang, New Holland, Nissan, Schaeff, Sumitomo, Takeuchi, Terex, Vermeer, Volvo, Yanmar

*All brand names are used for compatibility and identification purposes only. We are not affiliated with or endorsed by any of the manufacturers listed.