Gates 31528 Standard Radiator Cap
Price as of 2026-06-21. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Those who want a top-rated option — in the top 18% of caps by rating
- •DSkoiph 19106-RNA-A48 Radiator Coolant Reservoir Overflow — 36% cheaper at $6 (Score A)
- •Ford Genuine F3AZ-6766-B Oil Cap — higher rated at 4.8/5 ($11)
📊 Based on data analysis of 192 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 caps
Computed from live Amazon rating, review count, and price across 192 caps available to US consumers · last refreshed 2026-06-21.
How It Compares
This Product Gates 31528 Standard Radiator Cap | Most Popular ROVIKE Gas Cap | Best Rated Ford Genuine F3AZ-6766-B Oil Cap | Best Value DSkoiph 19106-RNA-A48 Radiator Coolant Reservoir Overflow | |
|---|---|---|---|---|
| Price | $9.33 | $7.87 | $11.21 | $5.99 |
| Rating | 4.6/5 | 4.4/5 | 4.8/5 | 4.6/5 |
| Reviews | 678 | 11,988 | 1,438 | 1,058 |
| Mubboo Score | B+ | A+ | A- | A |
About Gates
- 8 products in our database
- Average rating: 4.6/5 across all products
- Price range: $9.33 – $47.13
- Categories: belts-hoses-and-pulleys-automotive, caps, hose-repair-kits
Other caps
Bottom Line
Gates 31528 Standard Radiator Cap earns Mubboo Score B+. Priced at $9 — a mid-range option, below the category average of $14. Rated 4.6/5 from 678+ reviews. Strong buy if: those who want a top-rated option.
Frequently Asked Questions
Is the Gates 31528 Standard Radiator Cap worth buying in 2026?
It earns a Mubboo Score of B+, with a 4.6/5 rating from 678 reviews — better than 82% of caps we track.
How much does the Gates 31528 Standard Radiator Cap cost?
It is currently $9.33 — mid-tier pricing for caps.
How does the 31528 Standard Radiator Cap compare to other caps?
The category's most-reviewed alternative is the ROVIKE Gas Cap (4.4/5, 11,988 reviews, $7.87). The 31528 Standard Radiator Cap 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.