Autolite 254 spark plug for the Hoffco with Robin Engines lawn mower and other vehicles and equipment is a copper plug engineered for quick starts and the power an engine needs to meet performance expectations.
- Copper core center electrode aids thermal control and improves resistance to fouling
- High nickel alloy center and ground electrode for extended life
- High alumina multi-rib ceramic insulator for thermal conductivity and insulation
- Nickel-plated shell that resists corrosion
- 2 year limited warranty from Autolite
Hard starting, misfires or a rough idle can mean a plug is worn or fouled, but fuel and ignition problems can look the same. Before you replace it, look over the electrode and insulator for wear, fouling or cracks with the engine off and cool, and measure the gap against the pre-gap listed below.
It also fits the American-Lincoln with Robin 9 HP Ohv air compressor and the Tas Tea-30 auger, and each takes one plug. If your engine or machine isn't named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per application: 1
- Thread: M14 - 1.25, metric (14 mm diameter)
- Reach: 0.374 in (9 mm)
- Hex size: 3/4 in
- Seat type: flat
- Heat range: 9
- Pre-gap: 0.025 in (0.6 mm)
- Center electrode projection: short, insulator tip projection 0.039 in (1 mm)
- Insulator height: 1.575 in (40 mm)
Build and materials
- Type: copper
- Insulator material: ceramic
- Center electrode core: copper, nickel tip
- Ground electrode: nickel core, nickel tip
- Shell: nickel-plated
- Resistor: no
- Terminal: removable nut
- Warranty: 2 year limited, from Autolite
- Country of origin: China
In the box
One spark plug with a flat washer.
Interchange: W22M-U
BM7Y BL1 · CS40 · CS41 · CS42 · WS7E · 849 · 849C · 8521 · 855C · CJ4 · CJ6 · RCJ4 · RCJ6Y · 6026 · A2NX · A3NX · 746 · BM7 · BM7A · BM7Y · STD361001
This part cross-references / interchanges with the following part numbers:
CS40, CS41, CS42, WS7E, 849, 849C, 8521, 855C, CJ4, CJ6, RCJ4, RCJ6Y, 6026, W22M-U, A2NX, A3NX, 746, BM7, BM7A, BM7Y, BM7Y BL1, STD361001
Frequently Asked Questions
Does the Autolite 254 spark plug fit the Tas Tea-30 auger?
Yes. The Autolite 254 spark plug is listed for the Tas Tea-30 auger, and that application takes one plug.
Does the Autolite 254 come with a washer?
Yes. The Autolite 254 comes with a flat washer, and its terminal is a removable nut.
What thread size and reach does this copper spark plug have?
It has an M14 - 1.25 metric thread, a 0.374 in (9 mm) reach, a 3/4 in hex and a flat seat.
Is the Autolite 254 the same as the Autolite 45 spark plugs, the Autolite 26 spark plug or the Autolite 63 spark plug?
No. The Autolite 254 spark plug is its own part number, a non-resistor plug with a heat range of 9; the 45, 26 and 63 are different part numbers.
How long is the warranty on Autolite copper spark plugs?
Autolite gives a 2 year limited warranty on the 254 plug.
