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Standard Ignition VR-511 Voltage Regulator
| Brand | Standard Ignition CN4981PFC |
|---|---|
| Fits | —16 vehicles |
Voltage regulation. Keeps a 12-volt charging system operating consistently.
Round connector. Uses a single female connector for a straightforward electrical connection.
Alternator-mounted design. Built to regulate charging at the alternator.
Cross-references Standard Ignition VR-511, 89058273 and JLM11144 for the same application. See all 6.
Charging System Voltage Regulator for Jaguar Applications
Standard Ignition VR-511 is a 12-volt charging system voltage regulator that mounts at the alternator and uses a round female connector with male blade and eye ring terminals. It is built for direct replacement service on select Jaguar models, including Jaguar Vanden Plas, Jaguar XJ6, Jaguar XJR, and Jaguar XJS applications.
Key Features
- 12-volt charging system voltage regulator
- Alternator-mounted design
- Round female connector, 1 connector
- Male blade and eye ring terminal type
- Compact housing: 88.392 x 57.658 x 32.004 mm
- Standard Ignition VR-511 replacement part
Detailed Product Information
Standard Ignition VR-511 is a charging system voltage regulator used to control alternator output and maintain stable system voltage. It is specified with a female round connector, one connector interface, and male blade and eye ring terminals, making it important to match the connector style and alternator mounting location before ordering. This part cross-references JLM11144 and VR1039 for the same application. For fitment-based searches, this part is listed for 1993-1997 Jaguar Vanden Plas, 1995-1997 Jaguar XJ6, 1995-1997 Jaguar XJR, and 1995 Jaguar XJS, with additional 1993-1994 Jaguar XJ6 and 1993-1994 Jaguar XJS listings that require verification of vehicle make, model, and engine size prior to purchase.
Common Symptoms This Part May Address
- Unstable charging voltage at the battery
- Battery warning light illumination
- Alternator output that is too high or too low
- Electrical accessories behaving inconsistently
- Charging system faults traced to the alternator regulator
Installation Notes and Tips
Confirm connector shape, terminal style, and alternator mounting location before installation. Standard Ignition VR-511 does not include hardware, instructions, or mounting brackets, so reuse or source the required components as needed. Verify compatibility with your vehicle’s make, model, and engine size, especially on 1993-1994 Jaguar XJ6 and 1993-1994 Jaguar XJS applications noted with fitment verification guidance.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical and charging system components. VR-511 is built as a service replacement voltage regulator for select Jaguar charging systems and is identified by OE-style interchange references for application matching.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Jaguar | Vanden Plas | — | — | N/A | — |
| 1997 | Jaguar | XJ6 | — | — | N/A | — |
| 1997 | Jaguar | XJR | — | — | N/A | — |
| 1996 | Jaguar | Vanden Plas | — | — | N/A | — |
| 1996 | Jaguar | XJ6 | — | — | N/A | — |
| 1996 | Jaguar | XJR | — | — | N/A | — |
| 1995 | Jaguar | Vanden Plas | — | — | N/A | — |
| 1995 | Jaguar | XJ6 | — | — | N/A | — |
| 1995 | Jaguar | XJR | — | — | N/A | — |
| 1995 | Jaguar | XJS | 6.0L | V12 | N/A | — |
| 1994 | Jaguar | Vanden Plas | — | — | N/A | — |
| 1994 | Jaguar | XJ6 | — | — | N/A | Starter Drive fitment note: Verify compatibility with your vehicle's make, model, and engine size prior to buying. |
| 1994 | Jaguar | XJS | — | — | N/A | Starter Drive fitment note: Verify compatibility with your vehicle's make, model, and engine size prior to buying. |
| 1993 | Jaguar | Vanden Plas | — | — | N/A | — |
| 1993 | Jaguar | XJ6 | — | — | N/A | Starter Drive fitment note: Verify compatibility with your vehicle's make, model, and engine size prior to buying. |
| 1993 | Jaguar | XJS | — | — | N/A | Starter Drive fitment note: Verify compatibility with your vehicle's make, model, and engine size prior to buying. |
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