Spark Plug for 1990-2000 Dodge Grand Caravan & More - Autolite APP646

$36.99

Part number: APP646

UPC: 009100005397

Condition: New

Weight: 0.10 LBS

Item Package Quantity: 1

$36.99

Current Stock: 4

Quantity:

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Autolite Spark Plug P/N:APP646

$36.99

Description

Autolite APP646 spark plug for the 1990-2000 Dodge Grand Caravan V6 3.3L, the 1996-2000 Grand Caravan V6 3.8L and other vehicles fires the air-fuel mixture in the cylinder with a platinum-to-platinum electrode design. This Autolite spark plug is a resistor type and one of the Autolite platinum spark plugs.

Autolite Double Platinum line with platinum tips on both the center and ground electrodes
Platinum-to-platinum design that decreases gap erosion, reduces misfires and extends service life
Yttrium-Enhanced Ground Electrode for heat transfer under high temperatures and pressure
High alumina ceramic insulator for thermal conductivity and dielectric strength
Multi-rib insulator that prevents flash-over

Quick facts

Part: Autolite APP646 spark plug
Fits: the 1990-2000 Dodge Grand Caravan V6 3.3L, the 1996-2000 Grand Caravan V6 3.8L and other vehicles
Condition: New

Hard starting, a rough idle or a misfire can mean worn plugs, but the coils, wires or fuel delivery can be behind them too. With the engine off and cool, look at the electrode tips and the insulator for wear or cracks first, and leave ignition testing to a shop.

Fits

The vehicles it fits include the 1990-2000 Dodge Caravan V6 3.3L and the 1996-1999 Caravan V6 3.8L. The 1990-2000 Dodge Grand Caravan V6 3.3L takes six plugs.

Specifications

Fit and size

Thread size: M14 - 1.25 (metric, 14 mm diameter)
Reach: 0.75 in (19 mm)
Hex size: 13/16 in
Pre-gap: 0.05 in (1.3 mm)
Seat type: flat
Heat range: 8
Center electrode projection: mid projection
Quantity per vehicle: varies by engine

Build and materials

Electrode tips: platinum on the center and ground electrodes
Core materials: copper center electrode, nickel ground electrode
Insulator material: ceramic
Resistor: yes, 4000 ohm
Washer type: crush
Condition: new
Warranty: Autolite 5 year limited warranty
Country of origin: Mexico

In the box

One spark plug with its crush washer.

Interchange: 41-819
31 · RN14PMP5 · RN14PYP · 4727114 · SPRN14PMP5

Product information is for general reference and may contain errors. See our Disclaimer.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

41-819, 31, RN14PMP5, RN14PYP, 4727114, SPRN14PMP5

Buyer's Q&A

Frequently Asked Questions

Will the Autolite APP646 work as a spark plug for the 1990-2000 Dodge Caravan V6 3.3L and the 1996-1999 Caravan V6 3.8L?

Yes. Autolite APP646 fits the 1990-2000 Dodge Caravan V6 3.3L and the 1996-1999 Caravan V6 3.8L. For another car, look up its year and engine in the "Vehicles it fits" section.

Is the Autolite APP646 a spark plug for the 1994-2000 Chrysler Town & Country V6 3.8L?

Yes. Autolite APP646 fits the 1994-2000 Chrysler Town & Country V6 3.8L, the 1990 Town & Country V6 3.0L, the 1990-1993 Town & Country V6 3.3L and the 1996-2000 Town & Country V6 3.3L.

Is the Autolite APP646 one of the Autolite copper spark plugs?

No. Autolite APP646 is a Double Platinum plug with platinum on both the center and ground electrode tips. Its center electrode has a copper core.

What gap and thread size does the Autolite APP646 spark plug have?

Autolite APP646 comes pre-gapped at 0.05 in (1.3 mm) with an M14 - 1.25 thread, 0.75 in reach and a 13/16 in hex. It has a flat seat and a crush washer.

Is this platinum plug a resistor type?

Yes. This plug is a resistor type with a resistance of 4000 ohm, and its ceramic insulator has multiple ribs to prevent flash-over.