Hi. I have a k24 Honda motor and looking for the alternator terminal insulator
Looking for a Honda K24 Alternator Terminal Insulator? Here is the Fix.
When building or repairing your legendary Honda K24 motor, small missing pieces like the alternator terminal insulator (the plastic boot/cap that protects the B+ battery post) can stall your project. Because the K24 engine platform spans across various Honda and Acura models over the years, finding the exact replacement component comes down to identifying your specific alternator.
Customer Question:
"Hi. I have a k24 Honda motor and looking for the alternator terminal insulator ?"
The Short Answer
Yes! The exact replacement part you need depends on your K24 model. From 2001 to 2022 the K24 uses various alternators from multiple Denso setups or a Mitsubishi style alternator.
For the most common OEM Denso alternators found on the Honda K24 platform (such as in the Accord, CR-V, and Civic Si), you will typically need a Denso-style Hairpin Terminal Insulator.
For the most common OEM Denso alternators found on the Honda K24 platform (such as in the Accord, CR-V, and Civic Si), you will typically need a Denso-style Hairpin Terminal Insulator.
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Common OEM Cross-Reference Numbers: Honda
31119-RAA-A01, Denso021605-3330(the first option below)
Find Your Exact Match
To ensure 100% accurate fitment, match your current alternator specs with the options below:
| Part Preview | OEM Manufacturer | K24 Application Breakout | Purchase Action |
|---|---|---|---|
|
Denso Ref Part: 104210-3290, 104210-3291, 104210-3292, 104210-3293, 104210-4730, 104210-4731, 104210-4732 - 13980 |
TSX (2004-2008) Accord (2003-2007) CR-V (2007-2009) Element (2003-2011) |
+ Add to Cart |
|
Denso Ref Part: 104210-5890; 210-0644 - 11390 |
TSX (2009-2014) Accord (2008-2012) |
+ Add to Cart |
|
Denso Ref Part: 104211-3470 - 21154 |
ILX (2016-2022) TLX (2015-2020) CR-V (2015-2019) |
+ Add to Cart |
Why You Shouldn't Skip This Part
The terminal insulator isn't just cosmetic. It acts as a critical barrier preventing your always live B+ charging cable from accidentally grounding out against the alternator case or engine block. Running a K24 without one is a direct short-circuit hazard that can fry your electrical system or cause a fire.
Need Help Choosing?
If you aren't sure which alternator variant is currently sitting on your K24 block, snap a quick picture of the back of the unit and Contact Our Support Team. We'll help you look up the correct specs!
