How does RateBud detect fake Amazon reviews?

RateBud uses advanced AI to analyze review patterns, language authenticity, timing anomalies, and content quality. We examine reviewer behavior, review velocity, and linguistic markers to detect fake reviews with high accuracy.

What does the trust score mean?

The trust score is a percentage from 0-100% indicating review authenticity. This product scored 89% (Grade B). Scores above 80% indicate highly trustworthy reviews, 60-79% are generally reliable, and below 60% suggest caution.

Is RateBud's review analysis free?

Yes, RateBud's AI-powered review analysis is completely free. We analyze Amazon reviews to help you avoid fake reviews and make informed purchasing decisions. No signup required.

✅ Harman 3-21-08639 Combustion Blower Exhaust Fan Motor Upgrade Fits Pellet Stoves P43 P61 P68 XXV Accentra 52I Advance P35I PC45 PF100 PF120 BA100 BH105 Replaces Part 3-21-08415 Review Analysis

Name: Harman 3-21-08639 Combustion Blower Exhaust Fan Motor Upgrade Fits Pellet Stoves P43 P61 P68 XXV Accentra 52I Advance P35I PC45 PF100 PF120 BA100 BH105 Replaces Part 3-21-08415
Brand: Harman
SKU: B076GS331L
Price: 76.23 USD
Availability: InStock
Rating: 4.4 (393 reviews)

Analysis Summary

Based on the analysis, this Harman combustion blower exhaust fan motor upgrade is generally well-liked by customers, with a 4.4/5 rating and 89/100 overall score. Reviewers praise the product's consistency and performance, with many citing its ability to replace the original part with ease. However, some customers have raised concerns about the seller's reputation, with a score of 78/100, which may impact trust in the product's long-term reliability.

Review Timeline

Review patterns over time - spikes may indicate manipulation

95%

Velocity Score

Spikes

None found

Peak

Reviews/mo

Timeline

Months

Pattern Analysis

Good: Review pattern appears natural with steady growth. No suspicious spikes that might indicate review manipulation.

Keyword Analysis

Common phrases and their authenticity patterns

79%

Authenticity

perfect fit(5)nice and quiet(8)

Positive

Natural phrases

Critical

Genuine concerns

Suspicious

Generic phrases

Language Authenticity

Vocabulary Diversity98%

Natural Language Flow91%

Unique Phrasing91%

Good: Language patterns appear natural with good diversity. Reviews use varied vocabulary and authentic expressions.

Recommendation

✅ Recommended

Analysis Date

January 14, 2026

Total Reviews

393 reviews analyzed

Understanding This Trust Score

Harman 3-21-08639 Combustion Blower Exhaust Fan Motor Upgrad... received a Grade B with a trust score of 89/100. This product shows mostly genuine review patterns with minor concerns. The majority of reviews appear authentic, though some indicators suggest a small percentage may be incentivized or less reliable.

What This Means:

•Most reviews appear authentic
•Some minor patterns warrant attention
•Overall trustworthy for purchase decisions
•Consider reading recent reviews more carefully

What Reviewers Are Saying

Based on our analysis of customer reviews for Harman 3-21-08639 Combustion Blower Exhaust Fan Mo..., here are the most common themes and opinions shared by verified buyers:

✓ Commonly Praised:

nice and quiet (8x)

Overall sentiment: Based on the analysis, this Harman combustion blower exhaust fan motor upgrade is generally well-liked by customers, with a 4.4/5 rating and 89/100 overall score. Reviewers praise the product's consistency and performance, with many citing its ability to replace the original part with ease. However, some customers have raised concerns about the seller's reputation, with a score of 78/100, which may impact trust in the product's long-term reliability.

Frequently Asked Questions

Are the reviews for Harman 3-21-08639 Combustion Blower Exha... real?

▼

Based on our AI analysis, approximately 89% of reviews appear authentic, while 11% show patterns consistent with potentially fake or incentivized reviews. Overall, you can trust most reviews for this product.

How does RateBud detect fake reviews?

▼

Our AI analyzes multiple factors including review timing patterns, language similarity, reviewer history, and purchase verification. For this product, we analyzed 393 reviews to calculate the trust score.

Should I buy Harman 3-21-08639 Combustion Blower Exha...?

▼

Based on our analysis, this product has trustworthy reviews and appears to be a safe purchase. The B grade indicates good review authenticity.

Shopping Tips for [object Object]

This product has 393 reviews with a Grade B trust score. Here's what to keep in mind:

💡Always prioritize verified purchase reviews over unverified ones
💡Look for detailed reviews that mention specific pros and cons
💡Be cautious of products with sudden spikes in positive reviews

Ready to make your purchase?

Based on our analysis, you can make an informed decision. Click below to purchase this product on Amazon.

✨ High Quality Product

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