Built for the Heat: Shop Summer Jackets, Gloves & More

Turn Heads, Not Just Corners: Shop Graphic Helmets

Your Next Adventure Starts Here: Shop Road Trip Essentials

Get $15 Cash, Free 2 Day Shipping & More Perks With RPM*

JavaScript Disabled

To get the full RevZilla experience, enable JavaScript in your browser settings and refresh this page.

Free Shipping over $49.99 Learn More ZillaCash: $5 for every $100 Learn More Customer Service From Riders Learn More

2018 Honda CRF450RX CYLINDER HEAD COVER OEM Parts Diagram

Diagram: F42839

1 2 3 4 5 6 7

The products below will fit your 2018 Honda CRF450RXAC Select a Different Bike

#	Item	Price	Rec. Qty The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.	Quantity
1	SEAL, SPARK PLUG TUBE 12226-MEN-A30	$3.85	Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
1	SEAL, SPARK PLUG TUBE 12226-MEN-A30	View Availability
2	COVER, CYLINDER HEAD 12310-MKE-A00	$256.68	Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
2	COVER, CYLINDER HEAD 12310-MKE-A00	View Availability
3	PLATE, BREATHER 12316-MKE-A00	$5.21	Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
3	PLATE, BREATHER 12316-MKE-A00	View Availability
4	GASKET, HEAD COVER 12391-MKE-A00	$23.86	Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
4	GASKET, HEAD COVER 12391-MKE-A00	View Availability
5	BOLT, HEAD COVER 90002-MEN-A30	$4.37	Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
5	BOLT, HEAD COVER 90002-MEN-A30	View Availability
6	RUBBER, MOUNTING (Honda Code 3699139) 90543-MV9-670	$5.71	Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
6	RUBBER, MOUNTING (Honda Code 3699139) 90543-MV9-670	In Stock: Ships within 24 hours
7	BOLT, FLANGE (6X12) 96300-06012-00	$1.07	Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
7	BOLT, FLANGE (6X12) 96300-06012-00	View Availability

Montgomeryville Cycle Center www.montgomeryvillecc.com

Honda OEM Parts On RevZilla - Powered and Sold by Montgomeryville Cycle Center.

RevZilla is proud to carry every original part available for your 2018 Honda CRF450RX CYLINDER HEAD COVER assembly. Simply reference the OEM parts diagram to confirm the exact part numbers you need. If the assembly calls for more than one of any given part number, it will be noted for you in the suggested order quantity so you can get exactly what you need to get the job done right, the first time. Not quite sure? Feel free to shoot us an email or give us a call to get hands-on help from an OEM parts expert.

$39.99/yr.

Spend Less. Ride More.

5% RPM Cash Back*
10% Off Over 70 Brands
$15 in RPM Cash When You Join
Free 2-Day Shipping & Free Returns*
And more!

Become a member today! Learn More

By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.