RTC4647 | Magnetic Drain Plug - ZF 4-Speed Auto | Defender, Discovery
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: RTC4647 - Magnetic Drain Plug - ZF 4-Speed Auto
RTC4647 is a magnetic drain plug for ZF 4-speed automatic transmissions. Fitted to the oil pan (sump) of the gearbox, this drain plug provides the drain point while the integral magnet captures ferrous particles from the fluid to help protect gears and bearings. Also referred to as a sump plug, drain bolt or oil drain plug, it fits selected Defender, Discovery 1, Range Rover Classic and Range Rover P38 models listed below.
Compatibility
- Defender (1987-2006)
- Discovery 1 (1989-1998) - From VIN FA393361 to VIN WA799999
- Range Rover Classic (1986-1991) - To VIN HA610293
- Range Rover Classic (1992-1994) - From VIN JA610294
- Range Rover P38 - To VIN WA410481
Frequently Asked Questions
RTC4647 is a magnetic drain plug for the oil pan of ZF 4-speed automatic gearboxes; the built-in magnet captures ferrous particles from the transmission fluid to help reduce wear on gears and bearings. The plug should be inspected and cleaned whenever the fluid is drained. Ensure the sump threads and sealing face are clean before refitting to avoid cross-threading or leaks.
| Model | Variant |
|---|---|
| Land Rover Defender | Casing & Sump - 4 Speed, Automatic Transmission (1987-2006) (L315) |
| Land Rover Discovery 1 | Casing & Sump - Automatic Transmission (1989-1998) - From VIN FA393361 to VIN WA799999 (L318) |
| Land Rover Range Rover Classic | CLASSIC Casing & Sump - Automatic Transmission (1986-1991) - To VIN HA610293 |
| Land Rover Range Rover Classic | CLASSIC Casing & Sump - Automatic Transmission (1992-1994) - From VIN JA610294 |
| Land Rover Range Rover P38 | Casing & Sump - Automatic Transmission - To VIN WA410481 |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Replace the sealing washer at every transmission fluid service to prevent leaks; the plug itself can usually be reused if the threads and magnet are in good condition. If threads are damaged or the magnet is severely contaminated, replace the plug.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
- Z8 products are normally supplied by Allmakes.
All products and accessories available on LRDirect.com come with a 2-year warranty.