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Half Threaded Special Spark Plug for Honda - 4730

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NGK

Half Threaded Special Spark Plug for Honda - 4730

MSRP: $3.95

Price: $3.56 10% off!
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NGK Half Threaded Special Spark Plug for Honda - 4730
  • NGKs wide heat range results from using copper wire in place of the iron cores found in many conventional plugs
  • Copper dissipates heat more quickly, cooling electrode and insulator tip
  • Raised pre-ignition rating with high conduction copper and long nose insulator
  • Meets the requirements of high-performance engines
Specifications
Part #: DPR8Z
Mfg #: 4730
Heat Range 8
Thread 12 mm
Type Resistor
Units Each
Weight 0.12 lbs
Alternate/OEM Part Number(s):
4730, DPR8Z
UPC Code:
087295147306
Resources & Manuals
Fitment for NGK Half Threaded Special Spark Plug for Honda - 4730

Part DPR8Z fits the following machines

Honda
  • TRX400EX 2006-2008
  • TRX400EX FourTrax 1999-2000
  • TRX400EX Sportrax 2001-2005
  • TRX400FA Rancher AT 4x4 2004-2007
  • TRX400FGA Rancher AT 4x4 GPScape 2004-2007
  • TRX400X 2009, 2012-2014
  • XR250L 1991-1996
  • XR400R 1996-2004
Reviews & Questions
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Browse 1 question Browse 1 question and 3 answers
i can't get to this plug in a 400ex, what size wrench is needed?
curt c on Oct 6, 2016
BEST ANSWER: I have 1997 xr 400r that is probably the same engine as your 400ex. I don't remember what size socket fits the plug the the only socket I was able to get to fit down in around the Spark plug was the spark plug socket that came in the tool kit on my 2000 Honda foreman 450es. I have a lot of tools and different sized sockets but they are all to big around to fit down in where the spark plug fits. Your going to need a thin wall socket. Just do a search for 400ex spark plug socket on eBay and you'll find some on there
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