In stock
Part# 2S8398 OLD# -



Compression Spring

Cat® spring parts come in a variety of strengths and sizes to fit specific applications. Our springs are engineered to provide the best performance in a variety of applications, offering optimal rate and load at assembly. With in-house testing and performance history tracking for use in specific applications, you can count on Cat springs for consistent assembly loads, resulting in superior reliability and functionality in your machine. Cat springs are manufactured to precise specifications and are built for durability, reliability, and productivity for the lifetime of your machine. You can trust Cat Springs to help you build it, maintain it, or fix it. No other company knows your equipment like we do — trust in Cat.
• Springs meet or exceed current standards and material grades.
• RoHS compliant
• Performance-based
• Machine and workshop applications


  • Coating: phos/oil
  • Length - B (in): 2
  • Material Description: Steel
  • Notes: Solid Length: 18.288, Free length: 53.34, Assembled Length: 27.432, Load at Assembled Length: 53.398, Total Coils: 9, Spring Rate NMM: 2.067
  • Outside Diameter (OD) - A (in): 1
  • Spring Type: Compression
  • Wire Diameter - C (in): 2.032
 WARNING: This product can expose you to chemicals includingLead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
More Information
Current Part# 2S8398
Manufacturer CAT
Stock In stock
Weight 0.1000
Hot Deals No
Fits CAT
Type OEM
Warranty Standard Manufactures
Compatible Models

518 120C FB518 528 518C

125C 120C

594 561D 594H 572G 571G 583K

955 977 951

D7F D8K D9H 6S 140 D7G 8D D6D 153 D5B D6C 163 D8H D9G 55 5S 183B 143 D7G2 6A 5A 141 8S D6E SR

Note: Cat® parts shipped within the United States only.

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Big Rig World is a retailer of new heavy duty truck parts. We supply OEM and aftermarket parts from name brands, including Paccar, Kenworth, Peterbilt, CAT, Cummins, Freightliner, Mack, Volvo, Fleet Engineers, and many others. We ship parts to the United States, Canada, Mexico, Russia and several other countries. Big Rig World also sells to wholesale customers including parts stores, dealerships, service shops, and fleets where customers get wholesale pricing, shipping specials, and other perks. Our team is multi-lingual with a deep knowledge of truck parts and can help you get the part you need to the place you need it!