TUBE AS 3488603 - Caterpillar

Table 1
Features Benefits
All new parts used except castings Improved reliability
All engineering changes and updates included Improved reliability and performance
Worldwide availability through Cat parts distribution system Customer access regardless of location
Off -the shelf availability Downtime reduced through exchange product
Same as new Caterpillar warranty Customer support
Table 2
New Reman Part Previous Reman Part New Part Equivalent Applicable Engines
20R-3540 10R-8844 335-6218 3500 High-Speed Engines (1500 rpm and up) with non-shotpeened cylinder heads.(1)
20R-3541 10R-8843 335-6219 3500 engines with shotpeened cylinder heads.
All models except 793B with serial number prefixes S/N:3SJ and ; S/N:1HL and Slow Speed Engines(1).
20R-3542 10R-8842 172-0837 793B with serial number prefixes S/N:3SJ and ; S/N:1HL and all other 3500 Engines with rated speeds of 1500 rpm and up (1).
20R-3543 10R-7765 317-2440 3500B Engines with rated speeds of 1500 rpm and up.(2)
20R-3544 10R-9941 338-8672 3500B Locomotive Engines with oil shields for long idle times.
20R-3545 20R-0695 335-6220 3500B Slow and High-Speed Engines and all 3500C Engines with hardened seats.
20R-3546 0R-7734 247-4572 G3500 Landfill (quiescent) Engines with four stem seals.
20R-3547 0R-2854 206-1556 G3500 Standard (quiescent) Engines with wet manifolds and no stem seals.
20R-3548 0R-7739 247-4573 G3500 Landfill and COSA/COFA Industrial Engines with low restriction swirl inserts and four stem seals.
20R-3549 0R-2881 206-1561 G3500 Standard Engines with dry manifolds and COSA/COFA Industrial Engines with low restriction swirl inserts and no stem seals.
20R-3550 0R-3414 206-1564 G3500 Standard Engines with dry or wet manifolds, large swirl inserts, and no stem seals.
20R-3551 10R-7927 415-5584 G3500C and G3500E Standard Engines with water-cooled seats and no stem seals.
20R-3552 10R-7928 415-5585 G3500C and G3500E Landfill Engines with water-cooled seats and stem seals on intake valves.
(1) Slow Speed Engines (less than 1500 rpm) use the 10R-8619 (UTN) containing nitrided seats. ( 335-6217 New Equivalent)
(2) Slow Speed Engines (less than 1500 rpm) use the 20R-3545 containing nitrided seats.For more information about Reman parts, refer to Reman Technical Supplements at https://dealer.cat.com/en/ps/parts/reman/parts.html.