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NGK
V-Power Spark PlugNGK 3686 Spark Plug
| Brand | NGK 3686 |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 5/8 |
| Insulator Height | 50.50 |
| Manufacturer Heat Range | 4 |
| Part Number | FR45 |
| Pre-Gap Size | .060 |
| Reach | .75 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 3686 |
| Thread Diameter | 14.00 |
| Product line | V-Power Spark Plug |
| Fits | Chrysler, Dodge, Plymouth, Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac · 72 vehicles |
OE supplier heritage. Built by NGK, a long-time original equipment spark plug manufacturer.
Copper core design. Helps promote reliable ignition performance and consistent operation.
Standard configuration. A conventional spark plug layout for straightforward replacement.
Cross-references Anchor 3686, AP Exhaust 7558 and Carlson 7958 for the same application. See all 12.
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NGK V-Power Spark Plug FR45 Overview
NGK V-Power Spark Plug FR45 is an OE-style ignition component built for steady spark delivery, reliable cold starts, and consistent combustion performance. It uses a copper core center electrode, nickel tip materials, and a standard ground electrode design to support dependable operation in a wide range of domestic applications.
Compatible With Chrysler Cirrus, Dodge Caravan, Dodge Stratus, Plymouth Breeze, and other listed vehicles, this spark plug is a direct-fit choice for drivers servicing older ignition systems. The NGK FR45 part number is also referenced as stock number 3686.
Key Features
- Copper core center electrode for efficient heat transfer
- Nickel center and ground electrode tip materials
- Standard ground configuration with one ground electrode
- 5,000 ohm resistance for ignition system control
- Flat seat design with 14.00 mm thread diameter and .75 reach
- Pre-gapped at .060 for many listed applications
- NGK part number FR45, stock number 3686
V-Power Spark Plug Line
NGK’s V-Power Spark Plug line is built around a V-groove center electrode design that helps concentrate the spark at the edge of the electrode. In OE-style service applications, that design supports stable ignition performance while maintaining the durability expected from a replacement spark plug.
Detailed Description
NGK 3686 is a V-Power spark plug engineered for a broad range of Chrysler, Dodge, Plymouth, Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Fitment includes 1995-2000 Chrysler Stratus, 1996-2000 Dodge Caravan, 1996-2000 Plymouth Breeze, and 1985-1990 Buick LeSabre, along with additional listed applications such as 1986-1990 Chevrolet Caprice and 1987-1990 Cadillac Brougham. The FR45 configuration uses a flat seat, 5/8 hex, 14 mm thread diameter, and nickel-tipped electrodes for OE-equivalent service needs.
NGK is a major OE spark plug supplier in North America with decades of automotive manufacturing experience. This part cross-references DENSO Auto Parts 5017 and Carlson 7958 for the same application.
Common Issues This Spark Plug Can Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from inconsistent spark delivery
- Misfire symptoms related to aged ignition components
- Reduced fuel efficiency from degraded plug performance
- Loss of throttle response in high-mileage ignition systems
Installation Notes and Tips
Verify the required gap against the vehicle service specification before installation, since listed applications include both .044 and .050 gap references. Confirm thread reach, seat type, and hex size match the cylinder head before tightening. Use proper torque procedures to avoid thread damage and ensure correct heat transfer. For best results, inspect ignition wires, coils, and related secondary ignition components during service.
Quality Assurance
NGK manufactures spark plugs to OE standards and supplies ignition components for a wide range of domestic and import vehicles in North America. The FR45 is built to support durable, consistent operation in the listed applications.
This part fits 72 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2000 | Chrysler | Cirrus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 2000 | Chrysler | Voyager | — | 2.4L | L4 | N/A | Gap 0.044"; OE equivalent design; recommended service interval of 30,000 miles by OEM.; V-Power Spark Plug |
| 2000 | Dodge | Caravan | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 2000 | Dodge | Stratus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 2000 | Plymouth | Breeze | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 2000 | Plymouth | Voyager | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1999 | Chrysler | Cirrus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1999 | Dodge | Caravan | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1999 | Dodge | Stratus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1999 | Plymouth | Breeze | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1999 | Plymouth | Voyager | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1998 | Chrysler | Sebring | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1998 | Dodge | Caravan | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1998 | Dodge | Stratus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1998 | Plymouth | Breeze | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1998 | Plymouth | Voyager | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Chrysler | Cirrus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Chrysler | Sebring | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Dodge | Caravan | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Dodge | Grand Caravan | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Dodge | Stratus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Plymouth | Breeze | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Plymouth | Grand Voyager | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1997 | Plymouth | Voyager | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Chrysler | Cirrus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Chrysler | Sebring | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Dodge | Caravan | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Dodge | Grand Caravan | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Dodge | Stratus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Plymouth | Breeze | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Plymouth | Grand Voyager | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1996 | Plymouth | Voyager | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1995 | Chrysler | Cirrus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1995 | Dodge | Stratus | — | 2.4L | L4 | N/A | Gap 0.050"; OE equivalent design; 30,000-mile OE manufacturer recommended service interval; V-Power Spark Plug |
| 1990 | Buick | LeSabre | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1990 | Cadillac | Brougham | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1990 | Chevrolet | Caprice | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1990 | Oldsmobile | Custom Cruiser | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1989 | Buick | LeSabre | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1989 | Cadillac | Brougham | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1989 | Chevrolet | Caprice | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1989 | Oldsmobile | Custom Cruiser | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1989 | Pontiac | Safari | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1988 | Buick | LeSabre | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1988 | Cadillac | Brougham | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1988 | Chevrolet | Caprice | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1988 | Oldsmobile | Custom Cruiser | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1988 | Oldsmobile | Cutlass Supreme | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1988 | Pontiac | Safari | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Buick | LeSabre | Estate Wagon | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Buick | Regal | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Cadillac | Brougham | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Chevrolet | Caprice | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Oldsmobile | Custom Cruiser | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Oldsmobile | Cutlass Salon | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Oldsmobile | Cutlass Supreme | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1987 | Pontiac | Safari | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Buick | LeSabre | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Buick | Regal | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Cadillac | Fleetwood | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Chevrolet | Caprice | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Oldsmobile | Custom Cruiser | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Oldsmobile | Cutlass Salon | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Oldsmobile | Cutlass Supreme | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1986 | Pontiac | Parisienne | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1985 | Buick | LeSabre | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1985 | Buick | Riviera | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1985 | Oldsmobile | Custom Cruiser | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1985 | Oldsmobile | Cutlass Salon | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1985 | Oldsmobile | Cutlass Supreme | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1985 | Oldsmobile | Delta 88 | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| 1985 | Oldsmobile | Toronado | — | 5.0L | V8 | N/A | Gap 0.060"; OE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval; V-Power Spark Plug |
| No rows match your filter. | |||||||
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 3686AP Exhaust — 7558Carlson — 7958DENSO Auto Parts — 501741-60841-61141-63089C2FR3CLS6FR3LS6FR8DCYQ16PR-U15