BENDIX TCH-001-063 User Manual
Technical Bulletin
Bulletin No: Effective Date: Cancels: Page: 1 of
Subject:
This bulletin identies the Bendix® BA-921® and BA-922® compressor maintenance kits available from Bendix. The attached
matrix includes the Bendix® OE, service, and remanufactured assembly piece numbers and customer piece numbers,
where applicable. Reference items noted are not available as service parts from Bendix Commercial Vehicle Systems.
For additional information please visit www.bendix.com or contact the Bendix TechTeam by calling 1-800-AIR-BRAKE
(1-800-247-2725). Representatives are available to assist you Monday - Friday, 8:00a.m. - 6:00p.m. EST.
TCH-001-063
BENDIX® BA-921® AND BA-922® COMPRESSOR MAINTENANCE KITS - UPDATED MATRIX
3-24-2014
Same dated 10-4-2011
8
© 2014 Bendix Commercial Vehicle Systems LLC, a member of the Knorr-Bremse Group • 3/2014 • All Rights Reserved.
Caterpillar Engines
ACERT Engines (Pre-2007)
Engine
Platform:
Bendix® BA-921® Compressors
Compressor Piece Numbers
Bendix OE for Caterpillar (Reference) 5010803 K048932 K066809 5015207 K048935 K066810 5011441 5014177 5014401 K048938 K066811
Caterpillar OE (Reference) 191-6521 353-7135 385-0935 246-7095 353-7134 385-0933 223-3636 253-1736 255-4160 353-7136 385-0936
3126, C7 & C9 C11 & C13
Bendix Service for Caterpillar
(Reference)
Bendix Reman for Caterpillar
(Reference)
Bendix Service 801285 801285 801285 801955 801955 801955 801465 801798 801826 K056649 K056649
Bendix Reman 5010806 5010806 5010806 5016859 5016859 5016859 5012464 5014236 5014428 K056647 K056647
5010804 K048933 K066829 5015208 K048936 K066830 5012510 5014180 5014402 K048939 K066831
5010805 K048934 K066836 5016858 K048937 K068004 5012459 5014235 5014427 K048940 K066837
Service Kit Piece Numbers
Cylinder Head Gasket Kit 5008558 5008558 5008558 5008558 5008558 5008558 5008558 5008558 5008558 5008558 5008558
Cylinder Assembly
Replacement Kit
Unloader Kit Reference (See note 1)
Compressor Seal Kit
(w/ engine seal)
Compressor Seal Kit
(w/out engine seal)
Governor Adapter Kit 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183
Governor Hardware Kit K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046
Inlet Check Valve 801580 801580 801580 801580 801580 801580 801592 801592 801592 801592 801592
Bendix® Safety Valve Kit 801116 K105720 K105720 801116 K105720 K105720 801116 801116 801116 K105720 K105720
K023601 K023601 K023601 K023601 K023601 K023601 K023600 K023600 K023600 K023600 K023600
335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328
5012367 5012367 5012367 5012367 5012367 5012367 5012369 5012369 5012369 5012369 5012369
5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559
Numbers shown in blue and italics are for reference only and are not available from Bendix as an aftermarket part.
1. Unloader kit must be purchased through Caterpillar.
Caterpillar Engines
ACERT Engines (Pre-2007) Tier 4 Industrial Apps
Engine
Platform:
C15 & C18
C7 & C9
(BM Gear) C13 C15 & C18
C18
(2.8 BM Gear)
Bendix® BA-921® Compressors Bendix® BA-921® Closed Room Compressors
Compressor Piece Numbers
Bendix OE for Caterpillar (Reference) 5011427 K020283 K048941 K066812 K046449 K066808 K045107 K066806 K045108 K066807 K055770 K066813
Caterpillar OE (Reference) 223-3637 304-9991 353-7137 385-0937 351-7083 385-0938 351-7089 385-0939 351-7086 385-0940 360-4138 385-0944
Bendix Service for Caterpillar
(Reference)
Bendix Reman for Caterpillar
(Reference)
Bendix Service 801463 801463 801463 801463 — — — — — — — —
Bendix Reman 5012533 5012533 5012533 5012533 — — — — — — — —
Service Kit Piece Numbers
Cylinder Head Gasket Kit 5008558 5008558 5008558 5008558 K023764 K023764 K023764 K023764 K023764 K023764 K023764 K023764
Cylinder Assembly
Replacement Kit
Unloader Kit (Reference) (See note 1)
Compressor Seal Kit
(w/ engine seal)
Compressor Seal Kit
(w/out engine seal)
5012531 K020285 K048942 K066832 K058843 K066828 K058841 K066826 K058842 K066827 K058844 K066833
5012532 K020284 K048943 K066838 — — — — — — — —
K023600 K023600 K023600 K023600 K045143 K045143 K045143 K045143 K045143 K045143 K045143 K045143
335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328 335-6328
5012369 5012369 5012369 5012369 5012367 5012367 5012369 5012369 5012369 5012369 5012369 5012369
5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559 5008559
Governor Adapter Kit 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183 5014183
Governor Hardware Kit K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046 K032046
Inlet Check Valve 801592 801592 801592 801592 — — — — — — — —
Bendix® Safety Valve Kit 801116 801116 K105720 K105720 K105705 K105705 K105705 K105705 K105705 K105705 K105705 K105705
Numbers shown in blue and italics are for reference only and are not available from Bendix as an aftermarket part.
1. Unloader kit must be purchased through Caterpillar.
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