partszen 17801-F0020 87139-0E040 Engine Air Filter & Cabin Air Filter for Lexus ES250 ES300h UX200 for Toyota Avalon Camry Corolla Highlander RAV4 Sienna Venza 2018-2023

partszen 17801-F0020 87139-0E040 Engine Air Filter & Cabin Air Filter for Lexus ES250 ES300h UX200 for Toyota Avalon Camry Corolla Highlander RAV4 Sienna Venza 2018-2023

ASIN: B0CP5NH2J1
Analysis Date: Jan 18, 2026

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Review Analysis Results

B
Authenticity Grade
15.00%
Fake Reviews
2.00
Original Rating
1.90
Adjusted Rating

Analysis Summary

This single review appears overwhelmingly genuine based on its specific, detailed content and critical perspective. The reviewer provides concrete information about their experience with a product discrepancy, demonstrating authentic engagement rather than promotional intent. The 2-star rating itself contradicts typical fake review patterns, which overwhelmingly favor 5-star ratings. The review shows no signs of manipulation language, generic praise, or marketing terminology that would indicate inauthenticity.

The authenticity evidence is strong and clear. The reviewer provides specific product details including part numbers, mentions cross-checking with other suppliers, notes the discrepancy between the advertised design and actual received item, and references their specific vehicle (Highlander). This level of technical specificity and comparative shopping behavior is highly indicative of a genuine purchaser. The critical nature of the review (pointing out a packaging/product mismatch) further supports authenticity, as fake reviews rarely include such balanced or negative observations.

There are minimal concerns about authenticity in this review. The only potential minor consideration is the somewhat abrupt ending ("I believe the package"), which might suggest an incomplete thought or truncated text. However, this does not indicate manipulation and could simply reflect the reviewer's writing style or an interface limitation. There are no patterns of repetitive language, excessive exclamation points, or promotional phrasing that would raise suspicion.

In summary, this review demonstrates strong genuine characteristics through its specific technical details, critical perspective, and lack of manipulation indicators. The 2-star rating combined with detailed product observations suggests an authentic customer experience rather than any coordinated review manipulation. The abrupt ending is insufficient to outweigh the numerous authenticity signals present throughout the review text.

Key patterns identified in the review analysis include: specific vehicle reference, technical part number details, comparative shopping mention.

Review Statistics

About Review Data Collection

We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.

10
Total Reviews on Amazon
1
Reviews Analyzed
1
Genuine Reviews
0
Fake Reviews
-0.10
Rating Difference

Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.

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Price Analysis

This appears to be a budget aftermarket filter set with concerning quality indicators based on the low rating. While likely priced below OEM alternatives, the poor reviews suggest potential fitment or performance issues. Consider spending slightly more on a better-rated aftermarket brand unless you're comfortable with the risk for minimal savings.

MSRP Assessment

Estimated MSRP: Unknown
Source: Unable to determine
Amazon Price: Unable to compare

Market Position

Positioning: Budget
Alternatives Range: $15-$45 for filter sets
Value: This appears to be a budget aftermarket filter set that offers significant cost savings compared to OEM parts, but the low rating suggests potential quality concerns.

Buying Tips

Best Time to Buy: No strong seasonal pattern, but check before peak driving seasons (spring/summer) when demand may increase.
Deal Indicators: Look for bundled deals (multiple filters), free shipping, or coupons; compare with established aftermarket brands like FRAM or WIX.
Watch For: Extremely low rating (2.0/5) suggests possible quality issues despite low price; verify fitment carefully for your specific vehicle.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 18, 2026

Understanding This Analysis

What does Grade B mean?

This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.

Adjusted Rating Explained

The adjusted rating (1.90 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (2.00 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.

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How Our Analysis Works

Detailed explanation of our AI methodology

Spotting Fake Reviews Yourself

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Frequently Asked Questions

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