Valve Body Details
Ken Mosher
Diagram with Notations
Description of Items
From the GM Service Manual
Item #
Part Number
Description
Usage
301 8634943 Valve body 1981 BY
8634947 Valve body 1981 CG *1
8634963 Valve body 1981 CG *2
8634752 Valve body 1981 CR
8634479 Valve body 1981 CU
8634946 Valve body 1981 EG *3
8634968 Valve body 1981 EG *4
8634981 Valve body 1982 AA, AP
8639056 Valve body 1982 AH
8634977 Valve body 1982 BY
8634979 Valve body 1982 CQ
8634968 Valve body 1982 HG
NS Valve body 1982 CR
8634978 Valve body 1982 OG
8639095 Valve body 1982-83 HE
8639106 Valve body 1982 OM
8639342 Valve body 1983 AA,AP
8639129 Valve body 1983 BR
8639133 Valve body 1983 BY, BT
8639218 Valve body 1983 OG
8639474 Valve body 1983 OM
8639918 Valve body 1983 OZ
8639914 Valve body 1984 BQ
8639381 Valve body 1984 BT, BY
8639394 Valve body 1984 CH
8639412 Valve body 1984 CR
8639424 Valve body 1984 HE
8639430 Valve body 1984 HG
8639326 Valve body 1984 OF, OY
8639452 Valve body 1984 OG
8639462 Valve body 1984 OJ
8639474 Valve body 1984 OM
8639131 Valve body 1984 OZ
8639346 Valve body 1985 5AA, 5AP
8657102 Valve body 1985 5AO
8639368 Valve body 1985 5BQ
8639394 Valve body 1985 5CH
8639400 Valve body 1985 5CQ
8639414 Valve body 1985 5CR
8639395 Valve body 1985 5CY
8639426 Valve body 1985 5HE
8639431 Valve body 1985 5hG
8639452 Valve body 1985 5OG
8639462 Valve body 1985 5OJ
8639473 Valve body 1985 5OM
8639493 Valve body 1985 5OZ
8657307 Valve body 1986 6BR
8657297 Valve body 1986 6CA
8657290 Valve body 1986 6CH
8657296 Valve body 1986 6CR
8657293 Valve body 1986 6CZ
8657298 Valve body 1986 6HC
8657300 Valve body 1986 6KC
8657291 Valve body 1986 6KJ
8657286 Valve body 1986 KZ
302 NS Valve, throttle
303 8628385 PIN, coiled spring (2.72mm x 20)
304 NS Spring, Throttle Valve
305 NS Plunger, Throttle Valve
306 NS Bushing, Thottle Valve, Limit Valve
307 8631290 Sleeve, Spring Retainer
308 NS Spring, Throttle Valve, Limit Valve
309 NS Valve, Throttle Valve, Limit Valve
310 8628400 PIN, coiled spring (2.75mm x 25)
311 8634239 PLUG, Valve bore (12.5mm)
312 NS VALVE, Throttle Valve Mod Up Shift
313 NS SPRING, Throttle Valve Mod Up Shift
314 NS VALVE, Throttle Valve Mod Dn Shift
315 NS SPRING, Throttle Valve Mode Dn Shift
316 NS SPRING, 3-2 Cont Valve
317 NS VALVE, 3-2 Cont
318 NS VALVE, Line Bias
319 NS SPRING, Line Bias Valve
320 NS BUSHING, Acuumulator Valve
321 NS SPRING, Accumulator valve
322 NS VALVE, Accumulator
322 8625546 PLUG, Valve Bore (14.22mm)
323 NS VALVE, 3-4 Shift
324 NS VALVE, 3-4 Throttle
325 NS SPRING, 3-4 Throttle valve
326 NS BUSHING, 3-4 Throttle valve
327 NS VALVE, 4-3 Cont
328 NS SPRING, 4-3 Cont Valve
329 NS SPRING, Low Overrun Clutch Valve
330 NS VALVE, Low Overrun Clutch
331 NS VALVE, Low 1st Detent
332 NS BUSHING, Low 1st Detent valve
333 NS VALVE 1-2 SHIFT
334 NS VALVE 1-2 Throttle
335 NS SPRING 1-2 Throttle
336 NS BUSHING, 1-2 Throttle Valve
337 NS VALVE, Converter Clutch Shift
338 NS VALVE, Converter Clutch Throttle
339 NS SPRING, Converter Clutch Throttle valve
340 NS BUSHING, Converter Clutch Throttle
341 NS VALVE, 2-3 SHIFT
342 NS VALVE, 2-3 Throttle
343 NS SPRING, 2-3 Throttle Valve
344 NS SPRING, 2-3 Throttle Valve
345 8634199 Valve, manual
346 NS SPRING, Throttle Valve *6
347 NS PLUG, Valve Bore (14.22mm Diameter)
348 NS BUSHING, Converter Clutch Throttle *6
349 NS PLUG, Cup (8.38mm Diameter) *6
350 NS PLUG, Cup 5.0 mm Dia 1984 BT, BY, CH, HE, OF, OJ, OG, OM, OY *5 *6
351 NS PLUG, Cup 1984-89) *6

*1 - 1st Design used on Models prior to Serial OG8110-S
*2 - 2nd Design used on Models with serial OG8110-07-80 and after
*3 - 1st Design used on Models prior to serial EG8110-S
*4 - 2nd Design used on Models with serial EG8110-07-80 and after
*5 - See parts catalog Group 4.000 for additional usage
*6 - Part of Item #301


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