OEM Litens Denso Alternator Decoupler Pulley – 7-Groove Lexus Toyota 11136

Restore smooth alternator operation with this 100% new OEM Litens 7-groove decoupler pulley, designed for compatible Denso IR/IF alternators. Manufactured by Litens, this pulley features a 53 mm rib outside diameter, 17 mm bore, M14 x 1.5 threaded connection, and 25 mm belt width.

Designed for select Lexus ES350, GS300, GS350, IS250, IS300, IS350, and Toyota applications, this replacement pulley helps reduce accessory belt vibration, minimize belt drive noise, and support reliable alternator performance.

Ideal for alternator rebuilding and repair, this pulley is compatible with Lester numbers 11136, 11137, 11196, 11323, 11325, 11326, 11514, 11517, 11764, 11767, 14072, and 20490.

Product Specifications

Product Type: Alternator Decoupler Pulley
Manufacturer: Litens (OEM)
Alternator Manufacturer: Denso
Alternator Series: Denso IR/IF
Pulley Type: Decoupler
Number of Grooves: 7
Belt Width: 25 mm
Rib Outside Diameter: 53 mm
Shaft Bore: 17 mm
Thread Size: M14 x 1.5
Dimension A: 17 mm
Dimension B: 52.5 mm
Dimension C: 52 mm
Dimension D: 9 mm
Condition: 100% New
Application: Alternator Rebuilding and Repair

Compatible Lester Numbers

11136, 11137, 11196, 11323, 11325, 11326, 11514, 11517, 11764, 11767, 14072, 20490

OEM Cross Reference

Denso:
021040-1970

INA Bearing Co:
535 0209 10

Toyota:
27415-0W010, 27415-0W060, 27415-0W061, 27415-0W062, 27415-0W063, 27415-0W130, 27415-0W131

Alternator Unit Numbers

Denso:
021080-2440, 104210-2040, 104210-2041, 104210-2042, 104210-2043, 104210-2050, 104210-2051, 104210-2070, 104210-2071, 104210-2074, 104210-2090, 104210-2091, 104210-2092, 104210-2100, 104210-2101, 104210-2104, 104210-2140, 104210-2141, 104210-284, 104210-2840, 104210-2850, 104210-2860, 104210-2863, 104210-2864, 104210-4070, 104210-4071, 104210-4470, 104210-4471, 104210-4570, 104210-4571, 104210-4573, 104210-4670, 104210-4680, 104210-4750, 104210-4890, 104210-5510, 104210-5511, 104210-5512, 104211-8090, 104211-8091, 104211-8092, 104211-8093, 104211-8460, 104211-8461, 104211-8462, 104211-8463, 104211-8602, 104211-8810

Lexus:
27060-0P141-84, 27060-0P151-84, 27060-0P210, 27060-0P240, 27060-0P241, 27060-0P241-84, 27060-0P340, 27060-31060, 27060-31061, 27060-31062, 27060-31062-84, 27060-31110, 27060-31111, 27060-31111-84, 27060-31112, 27060-31161, 27060-31162, 27060-31162-84, 27060-31212, 27060-31331

Original Reference Numbers:
TN104210-4470, TN104210-5511

Toyota:
27060-0P140, 27060-0P141, 27060-0P141-84, 27060-0P150, 27060-0P151, 27060-0P151-84, 27060-0P210, 27060-0P240, 27060-0P241, 27060-0P241-84, 27060-31040, 27060-31050, 27060-31051, 27060-31052, 27060-31060, 27060-31061, 27060-31062, 27060-31081, 27060-31082, 27060-31100, 27060-31101, 27060-31102, 27060-31110, 27060-31111, 27060-31111-84, 27060-3111184, 27060-31112, 27060-31161, 27060-31162, 27060-31162-84, 27060-31180, 27060-31190, 27060-31260

Vehicle Application

Fitment Note: Verify the original alternator number, Lester number, Denso IR/IF alternator series, OEM Litens 7-groove decoupler design, 53 mm rib outside diameter, 17 mm bore, M14 x 1.5 threads, OEM cross-reference numbers, and product photos before ordering. Vehicle compatibility may vary depending on engine configuration, alternator equipment, production year, and regional specifications.

Features & Benefits

• Aftermarket alternator repair kit featuring a terminal block and brush holder assembly

• Provides essential replacement components for alternator rebuilding and repair

• Terminal block helps maintain secure electrical connections within the alternator assembly

• Brush holder assembly supports proper brush positioning and electrical contact with the rotor slip rings

• Helps restore reliable charging system operation when replacing worn or damaged components

• Manufactured for dependable fit, performance, and long service life

• Ideal for professional rebuilders, automotive repair shops, and DIY technicians

• Convenient alternative to purchasing the terminal block and brush holder separately

• Cross-referenced to OEM and aftermarket alternator part numbers for easier identification

What Does an Alternator Terminal Block & Brush Holder Assembly Kit Do?

An alternator terminal block and brush holder assembly kit provides two essential replacement components used in servicing and rebuilding compatible Denso ER/IF alternators. These components help maintain proper electrical connections and support reliable alternator charging system performance.

The terminal block provides a secure electrical connection point within the alternator assembly. Depending on the alternator design, it helps connect designated electrical circuits while maintaining proper electrical isolation where required.

The brush holder assembly supports and positions the alternator brushes, helping maintain consistent electrical contact with the rotor slip rings. Proper brush positioning and contact are essential for supplying field current to the rotor and supporting normal alternator operation.

Replacing worn, damaged, or deteriorated terminal blocks and brush holder assemblies can help restore dependable electrical connections and charging performance without replacing the complete alternator.

This kit includes the terminal block and brush holder assembly only. Additional alternator rebuilding components are sold separately unless otherwise specified.

Common Signs an Alternator Terminal Block or Brush Holder May Need Replacement

Consider inspecting or replacing these components if you notice:

• Battery warning light illuminated

• Low or inconsistent alternator charging voltage

• Intermittent charging system operation

• Loose, damaged, or corroded electrical terminals

• Cracked, broken, or deteriorated terminal block housing

• Burned or overheated electrical connection points

• Poor electrical conductivity at terminal connections

• Worn, cracked, or damaged brush holder assembly

• Brushes sticking or failing to move freely within the holder

• Poor electrical contact between the brushes and rotor slip rings

• Damaged or deteriorated brush holder insulation

• Internal electrical wear or damage discovered during alternator inspection or rebuilding

These symptoms may also result from other charging system problems. Proper inspection and testing are recommended before replacing components.

Installation Recommendations

Installation should be performed by a qualified technician or experienced alternator rebuilder. Before servicing the alternator, disconnect the battery and inspect the terminal block, brush holder assembly, brushes, slip rings, electrical connections, insulators, wiring, and mounting hardware for damage or deterioration.

Inspect the terminal block for corrosion, overheating, cracked insulation, loose terminals, or damaged mounting points. Ensure the replacement terminal block is properly positioned, securely mounted, and electrically isolated where required by the alternator design.

Inspect the brush holder assembly for damage, improper brush movement, worn contact surfaces, and electrical continuity issues. Verify that the brushes and rotor slip rings are in serviceable condition before reassembly.

Always verify the Lester number, OEM alternator number, Denso alternator series, amperage, terminal configuration, specifications, and product photographs before ordering.

After installation and reassembly, bench-test the alternator to verify proper charging output and overall operation before returning it to service.

While You're Rebuilding

When replacing an alternator terminal block and brush holder assembly, consider inspecting other components that may require replacement:

• Bearings

• Brushes

• Slip Rings

• Rectifier

• Diodes

• Rotor

• Clutch Pulley

• Insulators

Important: Components listed above are inspection recommendations and are sold separately unless specifically stated otherwise in the product description. This repair kit includes only the terminal block and brush holder assembly.

Why Buy From R&C AUTO ELECTRIC PARTS?

R&C AUTO ELECTRIC PARTS specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by detailed specifications and cross-reference information to help simplify part identification and reduce ordering mistakes.

Disclaimer

Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect alternator terminal block and brush holder assembly compatibility.

Always compare the Lester number, OEM alternator number, alternator series, amperage, terminal configuration, specifications, cross-reference numbers, and product photographs before ordering.

This kit includes only the terminal block and brush holder assembly. Brushes, bearings, rectifiers, slip rings, voltage regulators, and other alternator components are not included unless specifically stated otherwise in the product description.

If you are unsure about compatibility or kit contents, contact R&C AUTO ELECTRIC PARTS before ordering.