Karcepts K-Series Idle Air Control Valve Block-Off Plate
SKU: 80900219407

Karcepts K-Series Idle Air Control Valve Block-Off Plate

Sale price$24.25 Regular price$26.95
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Description

Karcepts K-Series Idle Air Control Valve Block-Off Plate**DOES NOT FIT USDM ACCORD THROTTLE BODIES OR K20A THROTTLE BODIES FROM THE EURO R ACCORD.** The Karcepts K Series Idle Air Control Valve Block Off Plate provides a solution to eliminate the IACV on 2002 2006 Acura RSX (DC5) and 2002 2005 Honda Civic Si (EP3) throttle bodies. This plate also fits the many aftermarket throttle bodies designed for those vehicles' engines (K20A, K20A2, K20A3, K20Z1). Idle air control valve removal may help with radiator

**DOES NOT FIT USDM ACCORD THROTTLE BODIES OR K20A THROTTLE BODIES FROM THE EURO R ACCORD.**

The Karcepts K-Series Idle Air Control Valve Block-Off Plate provides a solution to eliminate the IACV on 2002-2006 Acura RSX (DC5) and 2002-2005 Honda Civic Si (EP3) throttle bodies. This plate also fits the many aftermarket throttle bodies designed for those vehicles' engines (K20A, K20A2, K20A3, K20Z1). Idle air control valve removal may help with radiator and radiator fan interference issues, along with cleaning up the engine bay. This block-off plate may also be useful with intake manifolds that do not have idle air porting provisions (such as RRC and RSP manifolds). The only requirement for utilizing the Karcepts K-Series Idle Air Control Valve Block-Off Plate is Hondata K-Pro (or an equivalent programmable ECU) to disable stock function of the IACV.

To install:

1. Remove the idle air control valve from the throttle body.

2. Bolt on the Karcepts K-Series Idle Air Control Valve Block-Off Plate with the supplied hardware (and retain the IACV rubber gasket).

3. Disable the IACV on Hondata K-Pro (or an equivalent programmable ECU).

4. (THE MOST IMPORTANT STEP) Locate the throttle stop on the K-Series throttle body to set the idle mechanically by re-adjusting the position of the stop. An OE K-Series throttle body will require a 7mm wrench (to loosen the jam nut) and a 2.5mm allen key (to adjust the throttle stop set screw). Once engine idle is set as desired, lock the jam nut to secure the new stop position.


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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 80900219407

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Taryn L. Law
Waukegan, US
★★★★★ 5
Perfect fit. 2024 Crosstrek.
Size: 72880-FL00A
Perfect fit 2024 crosstrek!
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Reviewed in the United States on May 13, 2026
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Riggs
Belleville, US
★★★★★ 5
Fits my 2026 civic sport perfect!
Size: AF151
No issues, fitment is perfect. Great quality for an excellent price. Dealer wanted like $24 for a basic one. Nah I'm good I'll just go on Amazon and get it for $8. Took 30 seconds from start to finish can't get any easier.
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Reviewed in the United States on May 25, 2026
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Ant Farmer 1
Los Angeles, US
★★★★★ 5
Fits well and installs easily.
Size: AF997
This filter looked about the same as the OEM filter. It installed in about a minute. The quality appeared to be fine. It was protected in a cardboard box. It fit my 2014 Subaru Outback perfectly. I just installed it an hour ago so I don’t have any long term observations about longevity or effectiveness. I can’t see any reason why it would not work as well as the original, it seemed identical.
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Reviewed in the United States on May 29, 2026
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Nicholas K
Boise, US
★★★★★ 5
Great filter
Size: AF259
This fit my Mazda CX-5 perfectly. I'm happy with the seal and quality. Great price. I will certainly reorder for my next replacement.
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Reviewed in the United States on May 19, 2026
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Amazon Customer
Carnegie, US
★★★★★ 5
Great fit and quality
Size: AF113
Not a complicated product, but after going to 2 different auto parts stores and this not being in stock, Amazon to the rescue. Arrived the next day and the quality is definitely on par with “store brand” ones from retailers. Definitely cheaper as well.
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Reviewed in the United States on April 23, 2026

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