We'are Open: Mon - Sat 8am - 5pm

Cat Secondary Element 131-8821


Experience peak performance and longevity with the Cat 131-8821 Air Filter. This filter is engineered to safeguard your equipment’s engine against harmful contaminants, providing cleaner and more efficient operation. With a quick and hassle-free installation process, it’s the ideal choice for maintaining your machinery. Choose the Cat 131-8821 Air Filter for reliability, easy maintenance, and improved engine health. Your equipment deserves the best, and this filter delivers just that.

Categories: ,



Opting for authentic Cat 131-8821 is a sound investment in safeguarding the heavy machinery that fuels your financial success.

Cat Standard Efficiency Air Cleaners are a versatile solution compatible with all Cat equipment models, making them the ideal choice for regular filtration needs. These filter elements, crafted using standard efficiency media, serve as a reliable shield against unwanted intruders such as dirt, soot, sand, and various contaminants, preventing them from infiltrating your engine’s intake.

By selecting Cat 131-8821 Air Cleaners, you’re making a smart and budget-friendly decision to ensure the protection of your valuable equipment. This air cleaner group includes primary and secondary filter elements along with an actuator valve, offering a straight outlet for streamlined maintenance and quick servicing.

Application: Cat 131-8821 Standard Efficiency Air Cleaners are tailored to excel under normal operating conditions. For detailed information and specific recommendations, please refer to your owner’s manual or get in touch with your local Cat Dealer.

Elevate your equipment’s protection and efficiency with genuine Cat filters, designed to keep your machines running smoothly and your profits secure.


  • Primary vs Secondary: Secondary
  • Seal Type: Radial Seal
  • Efficiency Rating: Standard Efficiency
  • Outside Diameter (in): 5.299
  • Inside Diameter (in): 3.7
  • Overall Length (in): 12.708
  • Weight (lb): 0.881



CP-533D CP-563D CP-563E CP-573E CP-663E CS-531D CS-533D CS-563D CS-563E CS-573D CS-573E CS-583D CS-583E CS-663E CS-683E




320B FM LL 320B 320B L 320B LL 320B LU 320B N 320B S 320B U 320C 320C FM 320C L 320D 320D FM 320D FM RR 320D GC 320D L 320D LN 320D LRR 320D RR 320D2 320D2 FM 320D2 GC 320D2 L 320D3 320D3 GC 320E 320E L 320E LN 320E LRR 320E RR 320F L 321B 321C 321D LCR 322B 322B L 322B LN 322C 322C FM 323D 323D L 323D LN 323D S 323D SA 323D2 L 323D3 323E L 323E LN 323E SA 323F 323F L 323F LN 323F OEM 323F SA 325B 325B L 325B LN


There are no reviews yet.

Be the first to review “Cat Secondary Element 131-8821”

Your email address will not be published. Required fields are marked *