ACDelco Gold K040378HD Heavy Duty V-Ribbed Serpentine Belt
Price as of 2026-06-21. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in belts hoses and pulleys automotive
- •ACDelco loyalists — the brand spans 40 products in our database
- •You're on a tight budget — $4 above the category average of $27
- •EVIL ENERGY 3/8" Fuel Hose Line Push Lock NBR Rubber SAE 30R7 offers a better rating (4.8/5) at a similar or lower price ($15)
- •LEDAUT M18X1.5 Bung and Plug Notched Style — 59% cheaper at $13 (Score A)
- •EVIL ENERGY 3/8" Fuel Hose Line Push Lock NBR Rubber SAE 30R7 — higher rated at 4.8/5 ($15)
📊 Based on data analysis of 174 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 belts hoses and pulleys automotive
Computed from live Amazon rating, review count, and price across 174 belts hoses and pulleys automotive available to US consumers · last refreshed 2026-06-21.
How It Compares
This Product ACDelco Gold K040378HD Heavy Duty V-Ribbed Serpentine Belt | Most Popular Camco 39842 RhinoFLEX 45 Degree Sewer Hose Swivel Fitting | Best Rated EVIL ENERGY 3/8" Fuel Hose Line Push Lock NBR Rubber SAE 30R7 | Best Value LEDAUT M18X1.5 Bung and Plug Notched Style | |
|---|---|---|---|---|
| Price | $31.78 | $19.99 | $14.99 | $12.99 |
| Rating | 4.6/5 | 4.6/5 | 4.8/5 | 4.7/5 |
| Reviews | 1,190 | 7,117 | 2,294 | 1,376 |
| Mubboo Score | B | A | A | A |
What People Say
Synthesized from 31 reviews · 100% verified purchases.
Verify proper fit and be mindful of sharp clamp edges that may need filing. Avoid over-pressurizing swivel fittings and ensure correct belt installation to prevent noise.
- Exact/Perfect Fit
- High Quality/Durable Materials
- Easy to Install
- Good Value/Price
- Silent Operation/Eliminates Noise
- Sharp Edges on Hose Clamps
- Loud Squeaking/Belt Noise
- Pressure-Induced Separation
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About ACDelco
- 40 products in our database
- Average rating: 4.7/5 across all products
- Price range: $4.27 – $181.99
- Categories: belts-hoses-and-pulleys-automotive, caps, Car Batteries, electrical-system-tools, engine-cooling-and-climate-control, engines-and-engine-parts-automotive
Other belts hoses and pulleys automotive
Bottom Line
ACDelco Gold K040378HD Heavy Duty V-Ribbed Serpentine Belt earns Mubboo Score B. Priced at $32 — a premium option, above the category average of $27. Rated 4.6/5 from 1,190+ reviews. Strong buy if: buyers who prioritize quality over price in belts hoses and pulleys automotive, acdelco loyalists. Skip if: you're on a tight budget — Camco 39842 RhinoFLEX 45 Degree Sewer Hose Swivel Fitting (Score A, $20) may fit better.
Frequently Asked Questions
Is the ACDelco Gold K040378HD Heavy Duty V-Ribbed Serpentine Belt worth buying in 2026?
It earns a Mubboo Score of B, with a 4.6/5 rating from 1,190 reviews — better than 64% of belts hoses and pulleys automotive we track.
How much does the ACDelco Gold K040378HD Heavy Duty V-Ribbed Serpentine Belt cost?
It is currently $31.78 — premium-tier pricing for belts hoses and pulleys automotive.
How does the Gold K040378HD Heavy Duty V-Ribbed Serpentine Belt compare to other belts hoses and pulleys automotive?
The category's most-reviewed alternative is the Camco 39842 RhinoFLEX 45 Degree Sewer Hose Swivel Fitting (4.6/5, 7,117 reviews, $19.99). The Gold K040378HD Heavy Duty V-Ribbed Serpentine Belt 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.