Parts Now Pay Later with
Log In Cart
Log In
Create An Account
Log In Cart
Your Cart Is Empty
Cart Total
Edit Your Cart Checkout
Free Shipping Over $299.99

Free Shipping Over $299.99

Orders of $299.99 or more ship free within the continental U.S.
Shipping to Alaska and Hawaii is additional and not included.
We do not ship international at this time.

Shipping Policy

Honda 12-15 Civic Si Primary Converter Gasket
Part Number: 18115-R40-A01

Honda 12-15 Civic Si Primary Converter Gasket-A1
Honda 12-15 Civic Si Primary Converter Gasket-A2
Images may be for reference only

Honda 12-15 Civic Si Primary Converter Gasket
Part Number: 18115-R40-A01

Be the first to review!
$10.09

Reward Points

It pays to shop with K Series Parts and our reward points program! For every $1.00 you spend you earn reward points.

They are easy to earn, just log in to your account when you check out. If you don't have one it is free and easy to setup.

They are easy to use during check out. Click on the "Have Reward Points?" on the shipping and payment selection page.

Reward Point Program Details

You earn 2 points for every $1.00 that you spend.

100 points equal a $1.00 discount.

Maximum discount per order is 5% of the order total.

There is no minimum order total to redeem points.

Points do not apply to shipping or sales tax.

Points are not redeemable for cash.

The point value per dollar, points earned per purchase, and order minimum are subject to change.

Earn 20 reward points. Learn More

Ask us a Question

Product Details

Part Number: 18115-R40-A01
Brand: Honda
Honda OEM gasket, primary converter (nippon leakless) for the 2012-2015 Honda Civic Si
  • Genuine Honda OEM Part
  • Nippin Leakless Gasket
  • Number 2 in the diagram 

WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.

Vehicle Fitment

Acura ILX
2013 Acura ILX 2.4L 2014 Acura ILX 2.4L 2015 Acura ILX 2.4L
Acura TSX
2009 Acura TSX All 2010 Acura TSX All 2011 Acura TSX All 2012 Acura TSX All 2013 Acura TSX All 2014 Acura TSX All
Honda Accord
2011 Honda Accord Coupe 2012 Honda Accord Coupe
2011 Honda Accord Sedan 2012 Honda Accord Sedan
Honda Civic
2012 Honda Civic Si Coupe 2013 Honda Civic Si Coupe 2014 Honda Civic Si Coupe 2015 Honda Civic Si Coupe
2012 Honda Civic Si Sedan 2013 Honda Civic Si Sedan 2014 Honda Civic Si Sedan 2015 Honda Civic Si Sedan
Honda CR-V
2011 Honda CR-V All 2012 Honda CR-V All 2013 Honda CR-V All 2014 Honda CR-V All
Honda Crosstour
2012 Honda Crosstour All 2013 Honda Crosstour All 2014 Honda Crosstour All 2015 Honda Crosstour All

Reviews ★★★★★ ★★★★★

No Reviews Yet!

Write a Review

Also Bought

Vibrant 3 Bolt 3.0" (76mm) Exhaust Gasket
$5.75
Vibrant 3 Bolt 3.0" (76mm) Exhaust Gasket
Vibrant 2-Bolt 3.0" (76mm) Exhaust Gasket
$5.75
Vibrant 2-Bolt 3.0" (76mm) Exhaust Gasket
Vibrant 3-Bolt 2.75" (70mm) Exhaust Gasket
$7.99
Vibrant 3-Bolt 2.75" (70mm) Exhaust Gasket
Torque Solution 12-15 Civic Exhaust Mount Kit
$54.89
Torque Solution 12-15 Civic Exhaust Mount Kit
RV6 Performance 12-15 Civic SI Downpipe w/ High Flow Cat
$499.00
RV6 Performance 12-15 Civic SI Downpipe w/ High Flow Cat
Hondabond
$13.66
Hondabond
Honda 12-15 Civic Si Valve Cover Gasket
$18.47
Honda 12-15 Civic Si Valve Cover Gasket
Honda 10mm Exhaust Manifold Flange Bolt
$1.91
Honda 10mm Exhaust Manifold Flange Bolt
Vibrant 3-Bolt 2.5" (63.5mm) Exhaust Gasket
$5.75
Vibrant 3-Bolt 2.5" (63.5mm) Exhaust Gasket
Skunk2 M14 x 1.50 Oil and Transmission Drain Plug Set
$28.49
Skunk2 M14 x 1.50 Oil and Transmission Drain Plug Set
Honda K-Series Clutch Release Fork
$132.08
Honda K-Series Clutch Release Fork
Vibrant 2-Bolt 2.75" (70mm) Exhaust Gasket
$7.99
Vibrant 2-Bolt 2.75" (70mm) Exhaust Gasket

Free Shipping

K Series Parts offers free shipping for the majority of items that we sell that are shipped inside the continental United States.

Free shipping is done by the most cost effective shipping method for each order and delivery can takes 3 to 5 days on average.

Faster express shipping is available for an additional charge and calculated at checkout or on the edit basket page.

Certain products are not included in the free shipping, shipped via truck freight, or fulfilled by an outside supplier.

Alaska, Hawaii, and international orders are charged shipping and it is calculated by the website at checkout or on the edit basket page.

Instant Discount

Add this item to your cart to get an instant discount!

Not Available for Pickup

This item is not currently available for pick-up in our retail showroom and will be shipped directly to you.