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Late model 35A alternator with integral regulator came factory on Japan-market 1200s from October 1981.
Contents |
Overview
Nissan 23100-B9810 (Mitsubishi A1T22971/Hitachi LR135), 35A internally regulated is a direct physical replacement for the original (small) B110 alternator. It even will use the same fan pulley belt. It is wired differently however so a simple #Wiring mod is needed.
Hitachi (left) versus Mitsubishi (right). Bolt-on compatible, OEM (factory 1200 units). Both units fit the brackets and even use the same fan belt size.
The LR135 is the same dimensions as the externally-regulated LT135 (which was used by Datsun B110).
Hitachi Version
Nissan 23100-B9800ᴳ Hitachi LR135 (1982-1994 B122)
Mitsubishi Version
Nissan 23100-B9810ᴳ Mitsubishi A1T22971 (1982-1994 B122)
23100-B9810 ALTERNATOR ASSY Mitsubishi 8110-
Nissan 23100-B9810 A1T22971 12V 35A 1X23 Mitsubishi Electric Corporation #LS wiring
High Amp Versions
For even more power to run spotlights, competition amps, etc. the LR is available in 50A, 60A, 70A, and 80A varieties.
Sources
AUS
N10 Pulsar with E13 engine
USA
Japan
Engines: A12、A12S、Z16、Z18、L18、J16、Z18S、H20、Z20S、H20S、Z20、J15、J16、B210、B310、A14、A14E、E13S
B122 Sunny Truck (A12 Engine) VB11 AD Van with E13S engine C120 Vanette with A12 C122 Vanette TC22 Vanette Truck with A12S engine E20ᵂ Caravan/Homy E23ᵂ Caravan Homey with J16 engine 720 Datsun Truck with L18, Z16/Z18 enginesp H40 Nissan Condorᵂ with Z20S/Z20D engines F22 Nissan Atlasᵂ with Z16/Z20 engines BF22 BGF22 PF22 PGF22
Part Numbers
RockAuto.com $50 and up Baxter's Australia
* 23100-B9810 Mitsubishi A1T22971 $90 * 23100-B9802Rᴳ Reman Alternator $260.33 from Nissan * 23100-B9802 ALTERNATOR ASSY Hitachi 8110-8910 * 23100-B9810 ALTERNATOR ASSY Mitsubishi 8110- * 23100-B9800 Hitachi LR135 * 23100-B9801 * 23100-B9805
Interchange
Hitachi LR135 * 1978-1979 Datsun 620 Pickup USA 35A ** 1980 Datsun 720 Pickup with L20B (USA 35A) ** Nissan ForkLift Trucks ** TCM Lift Trucks ** N10 Pulsar E13 [AUS, 35A) ** 160 Patrol [AUS, 35A) ** Prairie [AUS, 35A)
JDM 1990-1994 Nissan Sunny Truck USA 1978-1979 Datsun 620 Pickup 35A USA 1980 Datsun 720 Pickup with L20B 35A
Upgrade Compatibility
The LR135 is a DIRECT BOLT-ON for the stock 1200 35A alternator, and requires a one-wire connection. You can unplug or discard any external voltage regulator.
It bolts on, and uses the same fan belt as the 35A older LT135 alternator. Just be sure to disconnect the external voltage regulator.
Wiring
The LR135 will fit B110, but has S+L wiring instead of F+N wiring. So one or two jumper wires are required.
CAUTION: T-connector is LS wired, not FN wired
- When replacing an FN-wired alternator (such as B110), see Alternator_Wiring#Late-model_Alternator
- When replacing 4-wire alternator (such as B10), see IR Alternator In Older Datsun
Dimensions
Dimensions are the same as the LT135 externally-regulated alternator.
Distance between lower mounting ears: 80mm Distance between Adjustment bolt and mount bolt: 156mm Fan belt center: 29mm from front bolt face Pulley diameter: 69mm
Wiring
The LR135 has LS wiring like many modern Japanese alternators. The L-terminal goes to the CHG lamp, and the S-terminal goes to either IGN or straight to the battery.
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