KAX Engine Air Filter
CA4309 Replacement for Infiniti, Nissan, Saab, Subaru -350Z, Altima, Frontier, Maxima, Murano, Pathfinder…
Price as of 2026-06-21. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$4–$11
- Mid-range:$11–$20← You are here
- Premium:$20+
Is This Right For You?
- •Budget-conscious shoppers — priced below 72% of filters automotive
- •You prefer well-established products — only 30 reviews, so the rating may still shift
- •Fram EG+ PH7317P 10K Mile Change Automotive Replacement offers a better rating (4.8/5) at a similar or lower price ($7)
- •Fram EG+ PH7317P 10K Mile Change Automotive Replacement — 41% cheaper at $7 (Score A+)
- •K&N Engineering 995000 Air Filter Accessories — higher rated at 4.8/5 ($22)
📊 Based on data analysis of 185 products in this category.
Mubboo Score: B-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other filters automotive
Computed from live Amazon rating, review count, and price across 185 filters automotive available to US consumers · last refreshed 2026-06-21.
How It Compares
This Product KAX Engine Air Filter | Most Popular SPEARHEAD Odor Defense Breathe Easy AC & Heater Cabin Filter | Best Rated K&N Engineering 995000 Air Filter Accessories | Best Value Fram EG+ PH7317P 10K Mile Change Automotive Replacement | |
|---|---|---|---|---|
| Price | $11.33 | $11.99 | $21.59 | $6.71 |
| Rating | 4.7/5 | 4.7/5 | 4.8/5 | 4.8/5 |
| Reviews | 30 | 65,263 | 35,371 | 12,593 |
| Mubboo Score | B- | A+ | A- | A+ |
About KAX
- 8 products in our database
- Average rating: 4.5/5 across all products
- Price range: $11.33 – $86.68
- Categories: engine-cooling-and-climate-control, filters-automotive
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Bottom Line
KAX Engine Air Filter earns Mubboo Score B-. Priced at $11 — a budget-friendly option, below the category average of $18. Rated 4.7/5 from 30+ reviews. Strong buy if: budget-conscious shoppers. Skip if: you prefer well-established products — SPEARHEAD Odor Defense Breathe Easy AC & Heater Cabin Filter (Score A+, $12) may fit better.
Frequently Asked Questions
Is the KAX Engine Air Filter worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.7/5 rating from 30 reviews — better than 59% of filters automotive we track.
How much does the KAX Engine Air Filter cost?
It is currently $11.33 — budget-tier pricing for filters automotive.
How does the Engine Air Filter compare to other filters automotive?
The category's most-reviewed alternative is the SPEARHEAD Odor Defense Breathe Easy AC & Heater Cabin Filter (4.7/5, 65,263 reviews, $11.99). The Engine Air Filter carries a Mubboo Score of B- vs A+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-21) and may change.