AUTOLITE 25 spark plugs
25 AUTOLITE – Properties, Compatibility and Alternatives
The AUTOLITE 25 spark plugs represent a reliable ignition solution designed for optimal engine performance in various automotive applications. These Spark plug AUTOLITE 25 deliver consistent spark generation and are engineered to meet the demanding requirements of modern internal combustion engines. The robust construction and proven design make them suitable for both regular maintenance and performance-oriented applications.
Advantages of the 25 AUTOLITE
- Enhanced ignition reliability ensures consistent engine starts and smooth operation across various operating conditions
- Durable copper core construction provides excellent heat dissipation and extends service life significantly
- Optimized electrode design of these Spark plug 25 AUTOLITE promotes complete fuel combustion and reduces emissions
- Superior corrosion resistance protects against harsh environmental conditions and extends replacement intervals
- Precise manufacturing tolerances ensure proper fitment and reliable performance in compatible engines
- Cost-effective maintenance solution that delivers dependable AUTOLITE 25 spark plug performance without compromising quality
Technical Data
Feature | Value |
---|---|
Manufacturer | Autolite |
Model | AUTOLITE 25 |
Type | Copper core, standard electrode |
Thread size | 14mm x 1.25 |
Thread length | 19mm (3/4 inch) |
Wrench size | 13/16 inch (20.6mm) |
Heat range | 5 (medium heat range) |
Electrode gap | 0.025 inch (0.635mm) |
Resistance | Non-resistor type |
Application | Classic American vehicles, vintage engines |
Compatibility and Areas of Application
These spark plugs are specifically designed for classic American automotive applications where non-resistor plugs are required. The 25 AUTOLITE spark plug are particularly well-suited for vintage engines that were originally equipped with similar specifications. The medium heat range makes them versatile for various driving conditions, from city commuting to highway cruising.
- Classic American muscle cars and vintage vehicles from the 1960s-1980s
- Small block and big block V8 engines requiring non-resistor spark plugs
- Restoration projects where original equipment specifications must be maintained
- Performance applications in older engines with points-based ignition systems
Suitable for the following vehicle models and equivalents
It is important to mention that alternative products can be found on AUTODOC. Currently, there are over 7000 items available in the spark plugs category.
Car maker | Car Model |
---|---|
Chevrolet | Camaro, Chevelle, Nova (1967-1980) |
Ford | Mustang, Torino (1965-1978) |
Plymouth | Barracuda, Road Runner (1968-1975) |
Dodge | Charger, Challenger (1970-1978) |
Application Notes and Important Questions
- When should 25 AUTOLITE be replaced? Generally every 10,000-15,000 miles for copper core plugs, or when experiencing misfiring, rough idle, or starting difficulties.
- Are these Spark plug AUTOLITE 25 compatible with electronic ignition systems? Yes, but verify your engine's specific requirements as some electronic systems may require resistor-type plugs.
- What torque specification should be used during installation? Typically 25-30 ft-lbs for 14mm threads, but always consult your vehicle's service manual for exact specifications.
- Can these plugs be regapped if necessary? Yes, the electrode gap can be carefully adjusted using proper gapping tools, but avoid excessive bending of electrodes.
Conclusion
The AUTOLITE 25 spark plugs provide reliable ignition performance for classic American vehicles requiring non-resistor spark plugs. Their proven copper core design and precise manufacturing ensure dependable operation in vintage engines. These AUTOLITE 25 spark plugs represent an excellent choice for maintaining authentic performance in classic automotive applications.
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 14
- External Thread [mm]: 12
- Thread Length [mm]: 26,5
- Spark Position [mm]: 3,80
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 15
- Tightening torque to [Nm]: 25
- Item number: XP5683
- Manufacturer: AUTOLITE
- EAN number: 9100267191
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with taper seat
- Electrode Gap [mm]: 1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 25
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,06
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 10
- Tightening torque to [Nm]: 20
- Item number: APP5263
- Manufacturer: AUTOLITE
- EAN number: 9100040695
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with taper seat
- Electrode Gap [mm]: 1,4
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 25
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE 4
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 10
- Tightening torque to [Nm]: 20
- Item number: XP5364
- Manufacturer: AUTOLITE
- EAN number: 9100044525
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 0,7
- Spanner Size: 21
- External Thread [mm]: 14
- Thread Length [mm]: 12,7
- Spark Position [mm]: 3,30
- Thread Pitch [mm]: 1,25
- Connector type: SAE / M4
- Weight [kg]: 0,06
- Resistor [kOhm]: 8
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: 4123
- Manufacturer: AUTOLITE
- EAN number: 9100254948
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 26,5
- Spark Position [mm]: 3,30
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,06
- Resistor [kOhm]: 8
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: 5325
- Manufacturer: AUTOLITE
- EAN number: 9100268075
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 0,9
- Spanner Size: 21
- External Thread [mm]: 14
- Thread Length [mm]: 19
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE / M4
- Weight [kg]: 0,07
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: 63
- Manufacturer: AUTOLITE
- EAN number: 9100000637
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 21
- External Thread [mm]: 14
- Thread Length [mm]: 19
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE / M4
- Weight [kg]: 0,07
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: 64
- Manufacturer: AUTOLITE
- EAN number: 9100000644
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 22
- Spark Position [mm]: 4
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,06
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: 5903
- Manufacturer: AUTOLITE
- EAN number: 9100270252
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 19
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: APP3923
- Manufacturer: AUTOLITE
- EAN number: 9100002365
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 19
- Spark Position [mm]: 4,80
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: XP5224
- Manufacturer: AUTOLITE
- EAN number: 9100044426
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with taper seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 17,2
- Spark Position [mm]: 4,80
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 10
- Tightening torque to [Nm]: 20
- Item number: AI5245
- Manufacturer: AUTOLITE
- EAN number: 9100270733
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 26,5
- Spark Position [mm]: 6
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,06
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 20
- Tightening torque to [Nm]: 30
- Item number: XP6003
- Manufacturer: AUTOLITE
- EAN number: 9100267528
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 0,85
- Spanner Size: 16 mm
- External Thread [mm]: 12
- Thread Length [mm]: 19
- Spark Position [mm]: 2,90
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 8
- Tightening torque from [Nm]: 15
- Tightening torque to [Nm]: 25
- Item number: 5663
- Manufacturer: AUTOLITE
- EAN number: 9100267931
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 0,76
- Spanner Size: 14
- External Thread [mm]: 12
- Thread Length [mm]: 26,5
- Spark Position [mm]: 3,80
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 15
- Tightening torque to [Nm]: 25
- Item number: 5682
- Manufacturer: AUTOLITE
- EAN number: 9100270023
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 0,8
- Spanner Size: 14-B
- External Thread [mm]: 12
- Thread Length [mm]: 26,5
- Spark Position [mm]: 4,80
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,06
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 15
- Tightening torque to [Nm]: 25
- Item number: XP5801
- Manufacturer: AUTOLITE
- EAN number: 9100270689
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with taper seat
- Electrode Gap [mm]: 1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 25
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 10
- Tightening torque to [Nm]: 20
- Item number: APP5363
- Manufacturer: AUTOLITE
- EAN number: 9100268358
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with gasket seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 14
- External Thread [mm]: 12
- Thread Length [mm]: 26,5
- Spark Position [mm]: 3,80
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 15
- Tightening torque to [Nm]: 25
- Item number: XP5684
- Manufacturer: AUTOLITE
- EAN number: 9100267276
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with taper seat
- Electrode Gap [mm]: 0,8
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 25
- Spark Position [mm]: 6,60
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 10
- Tightening torque to [Nm]: 20
- Item number: XP6083
- Manufacturer: AUTOLITE
- EAN number: 9100268747
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with taper seat
- Electrode Gap [mm]: 1,1
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 25
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,06
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 10
- Tightening torque to [Nm]: 20
- Item number: AI5363
- Manufacturer: AUTOLITE
- EAN number: 9100270511
- Condition: New
- Spark Plug: Control electrode gap, Interference Suppression, 1 - Earthed Electrode, with taper seat
- Electrode Gap [mm]: 0,8
- Spanner Size: 16 mm
- External Thread [mm]: 14
- Thread Length [mm]: 25
- Spark Position [mm]: 3,40
- Thread Pitch [mm]: 1,25
- Connector type: SAE
- Weight [kg]: 0,05
- Resistor [kOhm]: 5
- Tightening torque from [Nm]: 10
- Tightening torque to [Nm]: 20
- Item number: AI5863
- Manufacturer: AUTOLITE
- EAN number: 9100270832
- Condition: New
- 1
- 2
- 3