Cautyfky 31835D Diesel Gas Cap
Diesel Fuel Cap Replacement, Diesel Fuel Tank Caps for most Vehicles
Price as of 2026-06-21. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$4–$9
- Mid-range:$9–$13
- Premium:$13+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in caps
- •You're on a tight budget — $1 above the category average of $14
- •You prefer well-established products — only 46 reviews, so the rating may still shift
- •ROVIKE Fuel Cap offers a better rating (4.4/5) at a similar or lower price ($8)
- •ROVIKE Fuel Cap — 47% cheaper at $8 (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: C
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 Cautyfky 31835D Diesel Gas Cap | Most Popular ROVIKE Fuel Cap | Best Rated Ford Genuine F3AZ-6766-B Oil Cap | Best Value MotoRad SAFETY LEVER RADIATOR CAP ST16 Fits Ram 1500 12–23 | |
|---|---|---|---|---|
| Price | $14.99 | $7.87 | $11.21 | $8 |
| Rating | 4.3/5 | 4.4/5 | 4.8/5 | 4.6/5 |
| Reviews | 46 | 11,988 | 1,438 | 1,178 |
| Mubboo Score | C | A+ | A- | A |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Ensure exact fit by checking vehicle compatibility charts, as some caps may not seal properly and could trigger the check engine light. Compare prices locally, and verify if tether attachment meets your needs.
- Easy installation and perfect fit
- Resolves check engine light or EVAP error codes
- Secure seal and contamination prevention
- Good value for money
- Durable construction
- Inconsistent fit across vehicle models
- Sealing issues causing check engine light to stay on
- Tether piece may not attach properly
- Price may be higher than local stores
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Bottom Line
Cautyfky 31835D Diesel Gas Cap earns Mubboo Score C. Priced at $15 — a premium option, above the category average of $14. Rated 4.3/5 from 46+ reviews. Strong buy if: buyers who prioritize quality over price in caps. Skip if: you're on a tight budget — ROVIKE Fuel Cap (Score A+, $8) may fit better.
Frequently Asked Questions
Is the Cautyfky 31835D Diesel Gas Cap worth buying in 2026?
It earns a Mubboo Score of C, with a 4.3/5 rating from 46 reviews — better than 37% of caps we track.
How much does the Cautyfky 31835D Diesel Gas Cap cost?
It is currently $14.99 — premium-tier pricing for caps.
How does the 31835D Diesel Gas Cap compare to other caps?
The category's most-reviewed alternative is the ROVIKE Fuel Cap (4.4/5, 11,988 reviews, $7.87). The 31835D Diesel Gas Cap carries a Mubboo Score of C 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.