/live/media/SI/SI_EFL21_Fro.jpg)
Standard Ignition EFL-21 Engine Water Pump Relay
| Brand | Standard Ignition EFL-21 |
|---|---|
| Connector Gender | Female |
| Functions | Flasher |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Blade terminals |
| Fits | Mercury and Nissan · 20 vehicles |
Female connector. Uses blade terminals with a 3-terminal layout for straightforward relay connection.
Flasher function. Built to handle flasher relay duties in the cooling and electrical system.
Standard Ignition relay with a compact, direct-fit electrical design.
Cross-references Standard Ignition EFL-21, 257314Z000 and 335148 for the same application. See all 6.
Engine Water Pump Relay for Nissan and Mercury
Standard Ignition EFL-21 is an engine water pump relay application with a 3-terminal blade design, female connector gender, and male terminals. It is built for direct replacement use in select Nissan Sentra, Nissan Quest, and Mercury Villager vehicles, including electronic flasher applications where listed.
Key Features
- Engine water pump relay application
- Female connector gender with male blade terminals
- 3-terminal configuration
- Direct-fit replacement for listed Nissan and Mercury applications
- Standard Ignition EFL-21 part number for catalog matching
Detailed Description
The Standard Ignition EFL-21 relay is specified with a female connector, male blade terminals, and three terminals for the correct electrical interface in supported vehicles. This relay is listed for 2000-2006 Nissan Sentra, 2000-2002 Nissan Quest, 1999-2002 Mercury Villager with electronic flasher notes, and 1993-1998 Mercury Villager. For buyers searching for a 2000-2006 Nissan Sentra relay, a 2000-2002 Nissan Quest relay, or a Mercury Villager electronic flasher replacement, EFL-21 provides a cataloged match by application.
This part cross-references 257314Z000 and FC653 for the same application.
What It Helps Address
- Relay failure causing intermittent electrical operation
- No-response condition in the listed relay circuit
- Incorrect relay connector or terminal style during replacement
- Electrical mismatch when servicing Nissan Sentra, Nissan Quest, or Mercury Villager applications
Installation Notes and Tips
Verify the relay cavity, terminal count, connector gender, and blade-terminal layout before installation. Match the vehicle year, make, model, and any listed notes, especially the electronic flasher note for 1999-2002 Mercury Villager. Confirm the part number EFL-21 against the original relay or service catalog before replacement.
Quality Assurance
Standard Ignition parts are cataloged for application-specific replacement use, and EFL-21 is listed with defined connector and terminal specifications to support accurate fitment selection.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Nissan | Sentra | — | — | N/A | — |
| 2005 | Nissan | Sentra | — | — | N/A | — |
| 2004 | Nissan | Sentra | — | — | N/A | — |
| 2003 | Nissan | Sentra | — | — | N/A | — |
| 2002 | Mercury | Villager | — | — | N/A | Electronic Flasher |
| 2002 | Nissan | Quest | 3.3L | V6 | N/A | — |
| 2002 | Nissan | Sentra | — | — | N/A | — |
| 2001 | Mercury | Villager | — | — | N/A | Electronic Flasher |
| 2001 | Nissan | Quest | 3.3L | V6 | N/A | — |
| 2001 | Nissan | Sentra | — | — | N/A | — |
| 2000 | Mercury | Villager | — | — | N/A | Electronic Flasher |
| 2000 | Nissan | Quest | 3.3L | V6 | N/A | — |
| 2000 | Nissan | Sentra | — | — | N/A | — |
| 1999 | Mercury | Villager | — | — | N/A | Electronic Flasher |
| 1998 | Mercury | Villager | — | — | N/A | — |
| 1997 | Mercury | Villager | — | — | N/A | — |
| 1996 | Mercury | Villager | — | — | N/A | — |
| 1995 | Mercury | Villager | — | — | N/A | — |
| 1994 | Mercury | Villager | — | — | N/A | — |
| 1993 | Mercury | Villager | — | — | N/A | — |
| No rows match your filter. | ||||||