NR-421 starter armature is a premium-quality rotor assembly designed for Delco Remy type 24V 7.5 kW heavy-duty starter motors. Featuring 25 commutator segments, a 19-spline shaft and an 84 mm outside diameter, it delivers high starting torque, balanced operation and extended service life. It is compatible with starter motors used in Caterpillar, Cummins, Kenworth, Freightliner, Atlas Copco, Perkins and various heavy-duty and industrial equipment applications.
Product Type: Starter Armature
Type: Delco Remy Type
Voltage: 24V
Power: 7.5 kW
Length: 451 mm
Outside Diameter: 84 mm
Splines: 19
Number of Lamellae: 25
Rotation: CR
Front Shaft Diameter: 16 mm
Rear Shaft Diameter: 14 mm
CARGO: 131350
CATERPILLAR: 7T3276
DELCO REMY: 10499063, 1988435
KRAUF: SAD1350CL, SAD1350GY
ORME: IM421
UNIPOINT: AM4302, AM43021
WPS: 61123
ZAUFER: 318N10052Z
DELCO REMY: 10461024, 10461025, 10461030, 10461031, 10461043, 10461054, 10461068, 10478939, 10478942, 10478943, 10478944, 10478948, 10478979, 10478980, 10478981, 10478998, 10479009, 10479010, 10479022, 10479067, 10479115, 10479130, 10479142, 19080017, 1990344, 1990357, 1990359, 1990360, 1990361, 1990364, 1990366, 1990367, 1990368, 1990373, 1990378, 1990382, 1990383, 1990388, 1990402, 1990411, 1990413, 1990414, 1990415, 1990416, 1990418, 1990422, 1990432, 1990436, 1990437, 1990447, 1990453, 1990454, 1990455, 1990456, 1990457, 1990459, 1990460, 1990462, 1990463, 1990464, 1990474, 1990485, 1990491, 1990493, 1990497, 1993788, 1993796, 1993797, 1993802, 1993804, 1993805, 1993808, 1993810, 1993814, 1993815, 1993822, 1993828, 1993833, 1993842, 1993924, 1993933, 1993936, 1993940, 1993941, 1993944, 1993945, 1993980, 1993993, 1993999
CATERPILLAR / OEM: 3948N, 3T4586
KRAUF / MOTORHERZ: STD0811CL, STD0811NB, STD0811WA, STD0863CL, STD0863NB, STD0863WA, STD0864NB, STD0864TJ, STD0864WA, STD2242EC, STD2242NB, STD3123CL, STD3605NB, STD4027NB, STD4416NB, STD4416WA, STD4631NB, STD8957EC, STD8957NB, STD9827NB, STD9827WA, STD9863CL, STD9863NB
