855 JAKE BRAKE COMPONENTS

Part #	Description	NT855 Model 420	NT855 Model 425	NT855 Model 425A	B/C IV Model 430A	N14 Model 140A
216487	Gasket, Crossover	A/R**	A/R**	A/R**
3012972	Gasket, Crossover	A/R**	A/R**	A/R**
3017750	Gasket, Rocker Hsg.	A/R**	A/R**	A/R**
013294	Gasket, Brake To Rocker	A/R**	A/R**	A/R**
3054841	Gasket, Valve Cover	A/R**	A/R**	A/R**
3049187	Gasket, Rocker Hsg.				A/R**
014848	Gasket, Brake To Rocker				A/R**
3058532	Gasket, Valve Cover				A/R**
3076292	Gasket, Rocker Hsg.					A/R**
3068135	Gasket, Brake To Rocker					A/R**
3066311	Gasket, Valve Cover					A/R**
001492	Capscrew	4	4	4	2	2
010180	Seal Ring	1	1	1
001030	Washer	2	2	2	2	2
001081	Seal Ring	1	1	1	1	1
001082	Seal Ring	1	1	1	1	1
001083	Seal Ring	1	1	1	1	1
001519	Spring, Control Valve Cover			2
002299	Terminal Asm.	1	1	1	1	1
007447	Spring, Flat				2
010843	Spring, Control Valve Outer				2
007500	Spring, Control Valve Inner	2	2	2	2	2
011283	Control Valve	2	2
011930	Control Valve			2	2	2
014619	Harness, Solenoid	1	1	1	1	1
014928	Cover, Control Valve			2
015561	Retaining Ring			2
004136	Cover, Control Valve	2	2
017337	Crosshead	2	2	2
009353	Nut, Hex	2	2	2
007623	Piston, Slave	2	2
008895	Retainer, Spring	2	2
001023	Retaining Ring	2	2	2
004205	Solenoid, 12 Volt	1	1	1	1	1
001022	Spring, Slave	2	2
002969	Screw, Oil Supp.	1	1	1
003678	Screw, Inj. Lever	2
012292	Screw, Inj. Lever	2	2	2
001094	Nut, Hex				6	6
001234	Spacer	4	4	4	1
001199	Stud 7.125	4	4	4	3
002856*	Stud 8.625	2	2	2
203131	Nut (016766)	2	2	2
147389	Screw (016765)	2	2	2
001219	Switch Asm., Fuel Pump	1	1	1	1	1
012261	Switch Asm., Clutch	1	1	1	1	1

All quantities are per housing except where noted.
*Quantity per engine.
**As required.