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Onan OnaMax SAE 15W-40 Engine Oil, 32 oz.
✅ In stock
F
Grade
Analysis Confidence
59%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 3:59 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉A lower price did appear very recently, suggesting the market may revisit that level before long.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
5/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓Conventional non-synthetic oil
✓Specially formulated to reduce consumption and engine wear due to high temp oil oxidation
✓32-oz. bottle
⚙️ Specifications
SAE J300 Viscosity Grade
15W-40
Brand
Cummins
Liquid Volume
1 liters
Package Information
Bottle
Vehicle Service Type
Generator
Container Type
Bottle
Compatible with Vehicle Type
Generator
Viscosity Level
Medium to High
Automotive Fit Type
Vehicle Specific Fit
Brand Name
Cummins
Manufacturer Part Number
326-5336
