921521-6408 Tohatsu SCREW

Introduction
This Special Instruction is intended to provide information on the Engine Overhaul Kit Consist and detailed information on specific parts that should be used based on engine arrangements.This Engine Overhaul Kit may contain extra parts and extra quantities due to the variety of engine arrangements assigned to a given kit. Refer to the corresponding Parts Manual or Disassembly and Assembly manual in Table 1.Note: This Kit may contain upgraded parts. These upgraded part numbers may be different than what you have in the parts manual or engine, but these parts have been technically reviewed for compatibility with your application. Note: This kit contains Sub-Kits and includes additional parts needed to perform an engine rebuild.Note: This kit contains a set of six standard rod bearings.Note: This kit does not contain main bearings and thrust plates.Note: For assistance with technical questions, contact your local Cat dealer. Note: For more information on other kits that are available visit www.catrebuildkits.com.Reference Material
Table 1
Machine     Engine Arrangement     Machine Serial Number Prefix     Engine Serial Number Prefix     Parts Book Media     Disassembly and Assembly Media    
814F     184-1158
285-5777     S/N:BGF     S/N:3PD     SEBP3403     SENR9537    
815F     S/N:BKL S/N:3PD    
816F     S/N:BMR S/N:3PD    Note: For ordering reference material contact your local Cat dealer. 415-8649 Bronze Overhaul Kit Consist
Table 2
415-8649 Bronze Overhaul Kit Consist    
Sub-Kits    
Part Number     Part Name     Qty    
224-5797     Single Fuel Injector Gasket Kit     6    
315-6714     Water Pump Installation Gasket Kit     1    
415-8630     Oil Cooler and Lines Gasket Kit     1    
363-6420     Rear Structure Gasket Kit     1    
417-4373     Central and Lower Structure Gasket Kit     1    
415-8660     Turbocharger Installation Gasket Kit     1    
417-8843     Front Structure Gasket Kit     1    
417-6351     Single Cylinder Head Gasket Kit     1    
Additional Parts Included in This Kit    
Part Number     Part Name     Qty    
1P-0436     Gasket     1    
1R-0762     Fuel Filter     1    
1R-1808     Engine Oil Filter     1    
2M-9780     O-Ring Seal     3    
3E-8017     Locknut     12    
3J-1907     O-Ring Seal     5    
4F-5695     Cup Plug     6    
4P-4369     Spacer     12    
4W-4011     Temperature Regulator     2    
5P-3456     O-Ring Seal     6    
6V-4367     O-Ring Seal     2    
6V-4589     O-Ring Seal     1    
6V-5839     Washer     12    
6V-6923     Backup Ring     1    
6V-8676     O-Ring Seal     1    
8T-4984     Hose Clamp     2    
8T-5452     O-Ring Seal     1    
9Y-4357     Breather As     1    
033-6033     O-Ring Seal     1    
092-2570     Washer     2    
116-3715     Taperlock Stud     12    
131-6645     Hose     1    
175-0454     Bolt     26    
214-7568     O-Ring Seal     5    
216-5583     Bushing     5    
216-5584     Bushing     1    
216-5585     Bushing     1    
217-0577     Connecting Rod Bearing     6    
220-8678     Ring Seal     1    
238-5081     O-Ring Seal     1    
252-9685     Gasket     1    
288-3803     Spring As     2    
326-1644     Water Separator and Fuel Filter As     1    Note: For assistance or technical questions contact your local Cat dealer.Note: Refer to