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Specifications
SPECS:12 Volt, 3-Terminal
SPECS FOR:Hitachi DD, OSGR Starters
DIM 1:Batt. Term. M8 x 1.25
DIM 2:Motor Term. M8 x 1.25
DIM 3:Switch Term. Male Spade
NOTE 1:Representative image, actual item may vary
LESTER NUMBERS
16732, 16774, 16775, 16991, 17057, 17147, 17704, 17980, 18055, 18203, 18219, 18219A, 18278, 18318, 18494, 18565, 19751, 30806, 31461
Replaces
Hitachi 2114-17616, 2114-27501, 2114-27602, 2114-37503, 2114-47503, 2114-67505, 2114-87504, 2114-87505, Nissan, Infiniti 23343-M8000, 23343-M8001, 23343-M8003, 23343-M8004, 23343-V5201, Yanmar 129698-77020, X-2114275010
UNIT NUMBERS
Case VV12924277010; Delco 19085002; Hitachi HST-114844A, S114-315, S114-316, S114-317, S114-317A, S114-317B, S114-318, S114-318A, S114-319, S114-320, S114-320A, S114-345A, S114-345B, S114-364, S114-377, S114-378, S114-378A, S114-389, S114-389A, S114-390, S114-390A, S114-413, S114-413A, S114-414, S114-414A, S114-418, S114-419, S114-419A, S114-424, S114-424A, S114-443, S114-443A, S114-447A, S114-480, S114-480A, S114-480B, S114-550, S114-550A, S114-569, S114-569A, S114-613, S114-613A, S114-617, S114-617A, S114-630, S114-630A, S114-650, S114-650A, S114-651, S114-651A, S114-655, S114-655A, S114-815, S114-815A, S114-817, S114-817A, S114-844, S114-844A, S114-844R, S114-850C, S114-883; Hyundai 36100-2Y000; Isuzu 5864002500, 8944839180, 8971177700, B10118400A; John Deere AM878168, AM878176, M802137, MIU800357, SE501846; Kia 0K241-18-400A, 0K241-18-400C, OK241-18-400A, OK241-18-400C, RK900-18-400U; Komatsu 11439977010; Letrika (Iskra) Tech. AZE1230; Letrika Old IS 0809; Marelli 063280081010, 944280521530, 944280521820, 944280525210, 944280527090; Mazda B101-18-400A; New Holland VV12924277010; Nissan, Infiniti 23300-01B00, 23300-01E00, 23300-15A00, 23300-15A00R, 23300-15A05, 23300-15A06, 23300-56A01, 23300-74Y00, 23300-74Y00R, 23300-74Y01, 23300-85A01, 23300-85A01R, 23300-8H00R, 23300-8H300, 23300-D0100, 23300-D0200, 23300-D1700, 23300-D1700R, 23300-M8000, 23300-M8001, 23300-M8100, 23300-M8101, 23300-M8101R, 23300-M8200, 23300-M8200R, 23300-M8201, 23300-M8300, 23300-M8301, 23300-M8500, 23300-M8502, 23300M8501R; Opel 12-02-136, 97-150-203; Polaris 3088464; Prestolite 20513064, 20513073; Subaru 23300-KA010, 23300-KA100, 42991-6500, 42991-6700; Valeo 458527; Yanmar 114351-77010, 114351-77011, 114361-77011, 114362-77010, 114399-77010, 119225-77010, 119225-77011, 119631-77011, 124190-77010, 124190-77011, 129242-77010, 129608-77010, 129698-77010, 414351-77011
Aftermarket Alternator Solenoid 66-8109 Product Overview
Aftermarket Alternator Solenoid 66-8109 is an aftermarket solenoid intended for compatible alternator repair, rebuilding, and maintenance applications. It is designed for professional rebuilders, technicians, repair shops, and customers who need a dependable replacement for a worn, damaged, corroded, or missing component. Before ordering, confirm the product name, part number 66-8109, measurements, mounting style, connector configuration, original equipment references, and application information.
Product Specifications and Application Details
The original listing provides these product-specific details: Specifications SPECS:12 Volt, 3-Terminal SPECS FOR:Hitachi DD, OSGR Starters DIM 1:Batt. Term. M8 x 1.25 DIM 2:Motor Term. M8 x 1.25 DIM 3:Switch Term. Male Spade NOTE 1:Representative image, actual item may vary LESTER NUMBERS 16732, 16774, 16775, 16991, 17057, 17147, 17704, 17980, 18055, 18203, 18219, 18219A, 18278, 18318, 18494, 18565, 19751, 30806, 31461 Replaces Hitachi 2114-17616, 2114-27501, 2114-27602, 2114-37503, 2114-47503, 2114-67505, 2114-87504, 2114-87505, Nissan, Infiniti 23343-M8000, 23343-M8001, 23343-M8003, 23343-M8004, 23343-V5201, Yanmar 129698-77020, X-2114275010 UNIT NUMBERS Case VV12924277010; Delco 19085002; Hitachi HST-114844A, S114-315, S114-316, S114-317, S114-317A, S114-317B, S114-318, S114-318A, S114-319, S114-320, S114-320A, S114-345A, S114-345B, S114-364, S114-377, S114-378, S114-378A, S114-389, S114-389A. Use this information together with the product photographs, dimensions, cross-reference numbers, and application notes when confirming the correct replacement.
Key Features and Benefits
- Product-specific aftermarket replacement for compatible alternator applications
- Part-number-focused identification for easier comparison and ordering
- Suitable for professional repair, rebuilding, inspection, and maintenance work
- Designed to support dependable fit, operation, and long-term service performance
- Useful for matching original equipment numbers and common cross-reference numbers
Compatibility and Fitment Guidance
Fitment can vary by vehicle model, starter or alternator design, production date, manufacturer, connector style, mounting configuration, and original equipment number. Compare the listed part number, product photos, dimensions, Lester numbers, unit numbers, and replacement references with the original component. Contact RCAutoElectric when additional compatibility confirmation is required.
Professional Installation Notes
Inspect the complete assembly and related components before installation. Professional installation or rebuilding service is recommended whenever specialized tools, electrical testing, soldering, pressing, torque specifications, or technical adjustments are required.
Explore Related RCAutoElectric Categories
Starters | Starter Parts | Starter Rebuild Kits | Alternators | Alternator Parts | Alternator Rebuild Kits
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Frequently Asked Questions
How do I confirm this part is compatible? +
Compare 66-8109, dimensions, cross-reference numbers, mounting details, application notes, and product images with the original component before ordering.
Is this an OEM part or an aftermarket replacement? +
This listing is for an aftermarket solenoid unless the original title or description specifically states that the item is OEM.
What should I verify before ordering? +
Check the original equipment number, unit number, measurements, connector style, mounting design, rotation or polarity when applicable, and all fitment details in the listing.
Is professional installation recommended? +
Professional installation or rebuilding service is recommended when the job requires special tools, electrical testing, soldering, pressing, torque settings, or technical adjustments.
Where can I find related repair parts? +
Use the internal links in the SEO section to browse related starters, starter parts, starter rebuild kits, alternators, alternator parts, and alternator rebuild kits.