1205 E Main St
Columbus, OH 43205
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Product Information

Product Details
Part No. 456DP
Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of "flash-over"
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
Specifications
Center Electrode Core Material:
Copper

Center Electrode Tip Material:
Nickel

Electrical Terminal Type:
Removable Nut

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Tapered

Ground Electrode Tip Material:
Nickel

Hex Size:
13/16" in

Pre-Gap Size:
0.03 in

Reach:
9.5 mm

Resistance:
1

Resistor Type:
No

Seat Type:
Flat

Thread Diameter:
14 mm

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5 out of 5
2 Customer Reviews
0% of respondents would recommend this to a friend
Ratings Distribution
5 Stars
2
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
Pros
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Cons
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Reviewed by 2 Customers
Fine Snow Blower Spark Plug (RJ19LM)
Verified Buyer - Submitted 7 years ago
This #458 is a good replacement for Champion RJ19LM used in snow blowers.
OE Tecumseh 8hp generator. #356 = new #456
Verified Buyer - Submitted 7 years ago
Shorter than OE #356. Still seems like a hefty plug.
Displaying Reviews 1 - 5Back to Top

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what is the setting for a brigs&stration 18hp v-twin
Verified Reply - Vincent
The spark plug setting for your Briggs and stratton 18 hp engine should be 0.030". However, I would suggest you to verify with a Briggs and stratton dealer in order to get the exact spark plug gap specifications.

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