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Standard Ignition JR-120 Distributor Rotor
Distributor Rotor for Toyota Ignition Systems
Standard Ignition JR-120 is a distributor rotor built for Toyota ignition service on select 1990-1995 applications. It uses a push-on mount, black plastic rotor body, and aluminum contact material for direct distributor rotor replacement in the specified vehicles.
Key Features
- Push-on mount type for straightforward distributor installation
- Black plastic rotor construction
- Aluminum contact material
- Distributor rotor only
- Standard Ignition JR-120 replacement part
Application Details
This distributor rotor is used in ignition distributor service for 1992-1995 Toyota 4Runner, 1992-1995 Toyota Pickup, 1993-1994 Toyota T100, 1990-1993 Toyota Supra, and 1990-1992 Toyota Cressida. It is a direct-fit rotor for Toyota distributor maintenance where the original rotor shows wear, carbon tracking, or contact deterioration. This part cross-references Atlantic Automotive Engineering 3907 for the same application.
What It Helps Fix
- Engine misfire caused by worn rotor contacts
- Hard starting related to weak distributor spark transfer
- Intermittent ignition performance from damaged rotor material
- Rough idle linked to distributor wear
- Loss of spark continuity inside the distributor cap
Installation Notes and Tips
Verify distributor style and rotor mount type before installation. Inspect the distributor cap, ignition wires, and related ignition components at the same time, since a worn cap or damaged wire set can affect rotor performance. Confirm the rotor seats fully on the distributor shaft and that the contact surface aligns correctly during installation.
Quality Assurance
Standard Ignition supplies ignition components for service replacement applications, and JR-120 is built to match the listed Toyota fitments and interchange references for accurate parts selection.
| Brand | Standard Ignition |
|---|---|
| Part Number | JR-120 |
| Color/Finish | Black |
| Contact Terminal Material | Brass |
| Contents | Distributor Rotor |
| Mount Type | Bolt On |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Toyota | 4Runner | 3.0L | V6 | N/A | |
| 1995 | Toyota | Pickup | 3.0L | V6 | N/A | |
| 1994 | Toyota | 4Runner | 3.0L | V6 | N/A | |
| 1994 | Toyota | Pickup | 3.0L | V6 | N/A | |
| 1994 | Toyota | T100 | 3.0L | V6 | N/A | |
| 1993 | Toyota | 4Runner | 3.0L | V6 | N/A | |
| 1993 | Toyota | Pickup | 3.0L | V6 | N/A | |
| 1993 | Toyota | Supra | 3.0L | L6 | N/A | |
| 1993 | Toyota | T100 | 3.0L | V6 | N/A | |
| 1992 | Toyota | 4Runner | 3.0L | V6 | N/A | |
| 1992 | Toyota | Cressida | N/A | |||
| 1992 | Toyota | Pickup | 3.0L | V6 | N/A | |
| 1992 | Toyota | Supra | 3.0L | L6 | N/A | |
| 1991 | Toyota | Cressida | N/A | |||
| 1991 | Toyota | Supra | 3.0L | L6 | N/A | |
| 1990 | Toyota | Cressida | N/A | |||
| 1990 | Toyota | Supra | 3.0L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.