DELCO 20/22/25/27MT BREAKDOWN J&N UNIT # JanNco # OE PART # LESTER # TYPE VOLT ROTATION TEETH 410-12027 25MT 12 CW 9 410-12028 410-12028R 1109264 6177 25MT 12 CW 10 410-12030R 20MT 12 CW 10 410-12031 410-12031R 1109251 4960 25MT 12 CW 10 410-12033 1998374 4275 27MT 12 CW 10 410-12034 25MT 12 CW 10 410-12036 1109216 3725 27MT 12 CW 10 410-12038R 27MT 12 CW 12 410-12039R 1998408 3300 27MT 12 CW 10 410-12079 27MT 12 CW 10 410-12241 27MT 12 CW 9 Part number listings are only partial. 2009 J&N Auto Electric, Inc. www.jnelectric.com 1-800-366-7100 1
DELCO 20/22/25/27MT BREAKDOWN 11 19 63 64 12 18 62 48 59 17 16 54 40 55 53 1 30 44 44 61 32 45 67 33 56 42 34 46 58 47 15 49 23 49 37 50 41 21 39 24 51 20 3 22 30 60 52 27 26 13 10 65 57 8 43 31 9 66 5 38 36 2 7 4 28 6 4 29 35 25 14 2 2009 J&N Auto Electric, Inc. www.jnelectric.com 1-800-366-7100
DELCO 20/22/25/27MT BREAKDOWN KEY J&N # OEM# DESCRIPTION 1 133-12000 1839345 BUSHING, DE, 20/25/27MT, Standard,.503" x.565" x.781" 133-12001 BUSHING, DE, 20/25/27MT, 1X Undersize,.500" x.565" x.781" 133-12002 BUSHING, DE, 20/25/27MT, 2X Undersize,.498" x.565" x.781" 133-12003 1839345 BUSHING, DE, 20/25/27MT, Split,.502" x.564" x.616" 133-12013 1862383 BUSHING, DE, Standard,.501" x.627" x.776" 133-12022 BUSHING, DE, 20/25/27MT, Standard,.478" x.520" x.500" 133-12081 BUSHING, DE, 1X Undersized,.500" x.627" x.780" 133-12084 BUSHING, DE, 20/25/27MT, 1X Undersize,.476" x.520" x.500" 133-12085 BUSHING, DE, 20/25/27MT, 2X Undersize,.473" x.520" x.500" 2 133-12004 810620 BUSHING, CE, 20/25/27MT,.564" x.629" x.650" 133-12005 BUSHING, CE, 20/25/27MT, 1X Undersize,.561" x.629" x.650" 133-12006 BUSHING, CE, 20/25/27MT, 2X Undersize,.560" x.629" x.750" 133-12007 BUSHING, CE, 20/25/27MT, 3X Undersize,.557" x.629" x.750" 133-12008 BUSHING, CE, 20/25/27MT, 4X Undersize,.554" x.629" x.676" 133-12009 810620 BUSHING, CE, 20/25/27MT, Split,.564" x.628" x.720" 133-12034 1891927 BUSHING, CE,.565" x.689" x.770" 3 133-12010 1962606 BUSHING, Center Support, Wet Clutch Applications,.752" x 1.253" x.400" 133-12011 820148 BUSHING, Center Support, Dry Clutch Applications,.755" x.815" x.715" 133-12023 1894023 BUSHING, Center Support, Dry Clutch Applications,.757" x.880" x.720" 4 141-12010 1946434 BRUSH, 12V, 20/25MT, Concave Contact, Step Down Case,.748" x.748" x.374" 141-12011 1852880 BRUSH, 12V, Straight Case,.748" x.748" x.315" 141-12030 BRUSH, 24V, 20/22/27MT,.748" x.748" x.374" 5 151-12007 1940477 BRUSH HOLDER, 20/25MT, Negative, Step Down Field Case 151-12020 1876359 BRUSH HOLDER, 22/27MT, Negative, Straight Field Case 6 151-12008 1988414 BRUSH HOLDER, Insulated, 8-32 Tapped Threads 151-12017 1988414 BRUSH HOLDER, Insulated, Unthreaded Hole 7 156-12003 1926622 BRUSH SPRING, 20/27MT, Step Down Field Case 156-12004 1986019 BRUSH SPRING, 20/27MT, Straight Field Case 8 159-12010 1938058 PIN, Brush Holder 9 159-12015 BRUSH HOLDER SUPPORT, 20/25MT, Step Down Case 159-12025 1892201 BRUSH HOLDER SUPPORT, 22/27MT, Straight Case 10 159-12031 1928015 BRUSH HOLDER SUPPORT, 25MT, Step Down Case, Includes Attaching Hardware 159-12033 1984690 BRUSH HOLDER SUPPORT, 22/27MT, Straight Case, Includes Attaching Hardware 11 180-12002 1987373 BOOT, Solenoid, Wet Clutch Applications 12 180-12003 1952427 GASKET, Solenoid, Rubber, Dry Clutch Applications * 180-12023 1962603 GASKET, 20/25/27MT, Center Support, Wet Clutch Applications * 180-12045 GASKET, DE Mounting, Wet Clutch Applications, 3.520" x.059" * 180-12061 1937310 SEAL, OIL, Center Plate, Wet Clutch Applications 13 180-12072 1955946 GROMMET, Field Terminal,.417" TH 14 185-12015 1975127 INSULATOR, 20/25MT, CE Housing, 2.000" x 3.874" x.024" 15 220-12266 10499854 DRIVE ASSEMBLY, 9T, CW, Ratchet Clutch, 1.150"OD 220-12002 10499854 DRIVE ASSEMBLY, 9T, CW, Roller Clutch, 1.157"OD 220-12267 1877349 DRIVE ASSEMBLY, 9T, CW, Ratchet Clutch, 1.331"OD 220-12114 1877346 DRIVE ASSEMBLY, 9T, CW, Roller Clutch, 1.413"OD 220-12120 DRIVE ASSEMBLY, 9T, CW, Roller Clutch, 1.287"OD 220-12268 DRIVE ASSEMBLY, 9T, CW, Ratchet Clutch, 1.429"OD 220-12309 DRIVE ASSEMBLY, 9T, CW, Ratchet Clutch, 1.150"OD 220-12106 1939109 DRIVE ASSEMBLY, 9T, CCW, Roller Clutch, 1.146"OD 220-12270 DRIVE ASSEMBLY, 9T, CCW, Ratchet Clutch, 1.429"OD 220-12008 1985564 DRIVE ASSEMBLY, 10T, CW, Roller Clutch, 1.244"OD 220-12128 10497522 DRIVE ASSEMBLY, 10T, CW, Spragg Clutch, 1.264"OD 220-12271 10497522 DRIVE ASSEMBLY, 10T, CW, Ratchet Clutch, 1.270"OD 220-12006 10497522 DRIVE ASSEMBLY, 10T, CW, Roller Clutch, 1.264"OD 220-12108 10498623 DRIVE ASSEMBLY, 10T, CW, Spragg Clutch, 1.551"OD 220-12119 10498623 DRIVE ASSEMBLY, 10T, CW, Roller Clutch, 1.555"OD 220-12262 10498623 DRIVE ASSEMBLY, 10T, CW, Ratchet Clutch, 1.583"OD 220-12308 DRIVE ASSEMBLY, 10T, CW, Ratchet Clutch, 1.224"OD 220-12071 1877347 DRIVE ASSEMBLY, 10T, CCW, Roller Clutch, 1.252"OD 220-12269 DRIVE ASSEMBLY, 10T, CCW, Ratchet Clutch, 1.272"OD 220-12104 10499852 DRIVE ASSEMBLY, 10T, CCW, Roller Clutch, 1.551"OD 220-12246 10499852 DRIVE ASSEMBLY, 10T, CCW, Ratchet Clutch, 1.575"OD 220-12111 DRIVE ASSEMBLY, 12T, CW, Spragg Clutch, 1.827"OD 220-12265 1877353 DRIVE ASSEMBLY, 12T, CW, Ratchet Clutch, 1.831"OD * Not illustrated. 2009 J&N Auto Electric, Inc. www.jnelectric.com 1-800-366-7100 3
DELCO 20/22/25/27MT BREAKDOWN 4 KEY J&N # OEM# DESCRIPTION 220-12312 DRIVE ASSEMBLY, 12T, CW, Ratchet Clutch, 1.772"OD 220-12261 1877356 DRIVE ASSEMBLY, 12T, CCW, Ratchet Clutch, 1.827"OD 220-12313 DRIVE ASSEMBLY, 12T, CCW, Ratchet Clutch, 1.823"OD 16 245-12001 1114458 SOLENOID, 12V, Premium, Long, 98 Turn Coil, 3/8-16 Battery Stud, 10-32 Internal Thread Motor Stud 245-12003 1114531 SOLENOID, 12V, Premium, Short, 96 Turn Coil, 10-1.5 Battery Stud, 10-32 Internal Thread Motor Stud 245-12004 1114458 SOLENOID, 12V, HD Premium, Long, 132 Turn Coil, 3/8-16 Battery Stud, 10-32 Internal Thread Motor Stud 245-12109 1114531 SOLENOID, 12V, HD Standard, Short, 97 Turn Coil, 10-1.5 Battery Stud, 10-32 Internal Thread Motor Stud 245-12110 1114458 SOLENOID, 12V, HD Standard, Long, 130 Turn Coil, 3/8-16 Battery Stud, 10-32 Internal Thread Motor Stud 245-12002 1114260 SOLENOID, 24V, Long, 3/8-16 Battery Stud, 10-32 Internal Thread Motor Stud 17 246-12000 SOLENOID CAP, 20/25/27MT, 3-Terminal, High Temperature 246-12001 1935167 SOLENOID CAP, 20/25/27MT, 4-Terminal, High Temperature 246-12002 1984046 SOLENOID CAP, 27MT, 4-Terminal, High Temperature * 247-12007 SOLENOID REPAIR KIT, 25/27MT, 4-Terminal 18 248-12009 1978281 PLUNGER RETURN SPRING, Short 248-12010 1951792 PLUNGER RETURN SPRING, Long 19 248-12038 1987391 PLUNGER, 27MT, Short 248-12039 1941113 PLUNGER, Long 20 261-12035 1960853 FIELD COIL, 12V, CW, 27MT, High Torque 261-12089 1891918 FIELD COIL, 12V, CW, 20MT 261-12090 1960853 FIELD COIL, 12V, CW, 25MT 261-12169 FIELD COIL, 12V, CW, 27MT, Super High Torque 261-12061 FIELD COIL, 12V, CCW, 20MT 261-12176 FIELD COIL, 12V, CCW, 25MT 261-12091 1986473 FIELD COIL, 24V, CW, 22/27MT 21 300-12024 1876366 ARMATURE, 12V, CW, 22/25/27MT, Premium, 13.110"L,.563" CE,.500" DE 300-12026 1950417 ARMATURE, 12/24V, CW, 22/25/27MT, Premium, 13.110"L,.563"CE,.500"DE 300-12100 1960866 ARMATURE, 12V, CW, 22/25/27MT, Standard, 13.110"L,.563" CE,.500" DE 300-12109 1974786 ARMATURE, 12V, CW, 20MT, Standard, 12.795"L,.563" CE,.500" DE 300-12110 1891916 ARMATURE, 12/24V, CW, 22/25/27MT, Standard, 13.110"L,.563"CE,.500"DE 22 350-12001 1986468 CENTER SUPPORT, Includes # 133-12011 350-12005 1976882 CENTER SUPPORT, 25/27MT, Includes # 133-12011 * 350-12004 1962602 CENTER SUPPORT, for Wet Clutch Starters, Includes # 133-12010 & # 180-12023 23 355-12003 801433 SHIFT LEVER, 20MT, 1.516" Fork ID 355-12006 1951567 SHIFT LEVER, 1.508" Fork ID 24 371-12001 1971532 DE HOUSING, 20/22MT, Wet Clutch, Includes # 133-12013 371-12004 1986854 DE HOUSING, 20/22/27MT, Dry Clutch, Includes # 133-12013 371-12005 801883 DE HOUSING, 20/22/27MT, Wet Clutch, Includes # 133-12013 371-12006 1963772 DE HOUSING, 20/22/27MT, Wet Clutch, Includes # 133-12013 & Center Plate 371-12021 1962599 DE HOUSING, 20/22/27MT, Wet Clutch, Includes # 133-12013 & Center Plate 371-12053 1966232 DE HOUSING, 20MT, Wet Clutch, Includes # 133-12013 371-12072 1962932 DE HOUSING, 22MT, Wet Clutch, Includes # 133-12013 371-12073 1986826 DE HOUSING, Dry Clutch, Includes # 133-12013 & Center Plate 371-12074 1965471 DE HOUSING, 20/22MT, Wet Clutch, Includes # 133-12013 371-12075 1986743 DE HOUSING, 20/22/27MT, Includes # 133-12013 & Over Crank Protection 371-12076 1986455 DE HOUSING, 20/22/27MT, Includes # 133-12013 & Center Plate 371-12077 1987566 DE HOUSING, Includes # 133-12013 371-12078 1979443 DE HOUSING, 27MT, Wide Lever, Includes # 133-12000 371-12080 1893446 DE HOUSING, 20/25MT, Includes # 133-12000 371-12120 1891797 DE HOUSING, 25MT, Includes # 133-12013 371-12121 1987661 DE HOUSING, 22MT, Wet Clutch, Includes # 133-12013 371-12122 830426 DE HOUSING, 20/27MT, Wet Clutch, Includes # 133-12013 371-12125 1984204 DE HOUSING, 20/22MT, Wet Clutch, Includes # 133-12013 371-12132 1988947 DE HOUSING, 27MT, Wet Clutch, Includes # 133-12013 371-12137 1963976 DE HOUSING, 20/22/27MT, Dry Clutch, Includes # 133-12013 371-12140 10496538 DE HOUSING, 27MT, Narrow Drive Opening, Includes # 133-12003 371-12159 1986716 DE HOUSING, 20/22/25MT, Includes # 133-12013 371-12162 1987694 DE HOUSING, 27MT, Wet Clutch, Includes # 133-12013 25 381-12006 1974157 CE PLATE, 20/25MT, Step Down Field Case, Includes # 133-12004 * Not illustrated. Pictured on the last page of this breakdown. 2009 J&N Auto Electric, Inc. www.jnelectric.com 1-800-366-7100
DELCO 20/22/25/27MT BREAKDOWN KEY J&N # OEM# DESCRIPTION 381-12008 1940385 CE PLATE, 20/25MT, Cast Iron, Step Down Field Case, Includes # 133-12034 381-12009 1986464 CE PLATE, 22/27MT, Straight Field Case, Includes # 133-12004 381-12017 1876364 CE PLATE, 25/27MT, Cast Iron, Straight Field Case, Includes # 133-12034 26 390-12004 1887021 POLE SHOE 27 395-12002 FIELD CASE, 27MT, Straight 28 451-08013 443527 SCREW, Ground Brush, Slotted Pan Head, Self Tapping, 8-32 x.626" 29 451-08017 1959514 SCREW, Insulated Brush, Hex Washer Head, Self-Tapping, 8-32 x.748" 30 451-10008 1914800 SCREW, Field Coil Connector & Solenoid, Slotted Hex Head, Dog-Point Tip, 10-32 x.500" 31 451-10010 SCREW, Brush Holder Support, Hex Washer Head, 10-24 x.500" 32 451-10018 9413474 SCREW, Solenoid, Slotted Hex Washer Head, Dog-Point Tip, 10-32 x 1.000" 451-10024 SCREW, Solenoid, Hex Head, 10-32 x 1.720", Use with Short Solenoid 33 451-10061 1914580 SCREW, Center Support, Slotted Pan Head, Self-Tapping, 10-32 x.500" 34 451-19006 9427129 SCREW, Solenoid Attaching, Hex Washer Head, 1/4-20 x.500" 451-19038 132255 SCREW, Solenoid Attaching, Hex Washer Head, 1/4-20 x.626" 35 451-19020 1960908 THRU BOLT, 25/27MT, Hex Washer Head, 1/4-20 x 7.500" 451-19035 1893453 THRU BOLT, 25/27MT, Hex Washer Head, 1/4-20 x 7.252" 36 451-19021 1975326 THRU BOLT, Hex Washer Head, 1/4-20 x 7.441", with.625" Extension 37 451-22007 1932197 SCREW, 25/27MT, Shift Lever, Hex Washer Head, 5/16-18 x 1.752" 38 451-25006 1968396 SCREW, Pole Shoe, Tapered Phillips Flat Head, 3/8-24 x.626" 39 454-12005 809593 PIN, INDEXING, DE Housing,.189" x.350" 40 454-12006 1987049 PIN, ROLL, Shift Lever,.201" x.732" 41 454-12009 1945804 PIN, Shift Lever/Plunger,.311" x 1.614" 42 455-08000 1847933 LOCK WASHER, Split, R & S Terminal,.165" x.252" x.039" 455-12000 1904661 LOCK WASHER, Split, R & S Terminal,.217" x.374" x.063" 43 455-10000 453435 LOCK WASHER, Split, Brush Holder Support,.189" x.315" x.051" 44 455-10001 453474 LOCK WASHER, STAR, Solenoid,.189" x.374" x.024" 45 455-10003 1962276 LOCK WASHER, STAR, Center Support,.189" x.516" x.035" 46 455-19000 9421423 LOCK WASHER, Split, Solenoid Attaching,.252" x.500" x.063" 47 455-23000 108579 LOCK WASHER, Split, Shift Lever Screw,.327" x.563" x.067" 48 455-25000 9421425 LOCK WASHER, Split, Battery Stud,.374" x.657" x.075" 49 456-22000 1970988 WASHER, OTHER, Shift Lever,.315" x.563" x.067" 50 456-31000 1928023 THRUST WASHER, STEEL, 25MT,.500" x.732" x.063" 461-12002 1964410 COLLAR,.500" x.752" x.106" 51 458-12005 821453 BRAKE WASHER, FIBER,.752" x 2.000" x.091" 458-12006 1986470 BRAKE WASHER, FIBER,.815" x 2.000" x.126" 52 458-12011 1914842 THRUST WASHER, STEEL, CE,.563" x.996" x.071" 458-12012 1985617 THRUST WASHER, STEEL, CE,.594" x 1.201" x.059" 53 459-12004 1928022 RETAINING RING, Drive,.520" x.650" x.067" 54 459-12009 11505767 SNAP RING, Shift Lever Pin,.283" x.343" x.024" 55 461-12009 1928021 COLLAR, Drive Retaining,.563" x.783" x.157" 56 462-08000 453434 NUT, HEX, R & S Terminal, 8-32 x.344" x.126" 462-58001 NUT, HEX, R & S Terminal, M5-0.8 x 8mm x 4mm 57 462-10003 120361 NUT, HEX, Brush Holder Support, 10-24 x.375" x.126" 58 462-22000 NUT, HEX, Shift Lever Screw, 5/16-18 x.500" x.220" 462-22001 NUT, HEX, Shift Lever Screw, 5/16-18 x.500" x.268" 462-22003 NUT, HEX, Shift Lever Screw, 5/16-18 x.500" x.220" 59 462-25002 1904419 NUT, HEX, Battery Stud, 3/8-16 x.625" x.252" 462-68000 NUT, HEX, Battery Stud, M10-1.5 x 17mm x 8mm 60 463-12004 1876358 CONNECTOR, Field Coil to Solenoid 463-12005 CONNECTOR, 25/27MT, Field Coil to Solenoid, Includes Pressed in Thread Insert 61 464-12020 SPACER, Solenoid Cap,.189" x.252" x.626", Use with Standard Solenoid 464-12021 SPACER, Solenoid Cap,.201" x.303" x 1.260", Use with Short Solenoid 62 467-12001 1865182 PLUG, EXPANSION, 20/25/27MT,.688" Diameter 63 467-12017 1916439 OIL WICK,.315" x 2.799" 64 467-12027 9427882 PLUG, Allen Head, 1/8-27 x.297" 65 500-12049 LEAD, Field Coil to Brush, with Solder Clip 500-12050 LEAD, Field Coil to Brush 66 500-12051 1987254 LEAD, Ground Brush 67 500-12099 KIT, SOLENOID TERMINAL EXTENSION, Includes (1) # 451-10008, (1) # 451-10018, (1) # 451-10024, (1) # 455-10001, (1) # 464-12020 & (1) # 464-12021 * * 500-12128 KIT, STARTER REPAIR, (1) # 133-12010, (1) # 180-12002, (1) # 180-12023, (1) # 180-12061 & (2) # 456-22000 900-02011 STARTER BOX, 14.5"L x 7.5"W x 5.5"H * Not illustrated. 2009 J&N Auto Electric, Inc. www.jnelectric.com 1-800-366-7100 5
DELCO 20/22/25/27MT BREAKDOWN 24) DE HOUSINGS 371-12001 371-12004 371-12005 371-12006 371-12021 371-12053 371-12072 371-12073 371-12074 371-12075 371-12076 371-12077 371-12078 371-12080 371-12120 371-12121 371-12122 371-12125 371-12132 371-12137 371-12140 371-12159 371-12162 6 2009 J&N Auto Electric, Inc. 12/30/2009 www.jnelectric.com 1-800-366-7100