--- product_id: 70551516 title: "Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3" brand: "cummins" price: "594.97 DT" currency: TND in_stock: true category: "Cummins" url: https://www.desertcart.tn/products/70551516-genuine-cummins-onan-onamax-15w-40-32-oz-engine-oil store_origin: TN region: Tunisia --- # 3-Quart Value Pack Compatible with Trucks, Buses & Generators SAE 15W-40 Viscosity Grade Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3 **Brand:** cummins **Price:** 594.97 DT **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Keep your engines humming with Cummins power-packed oil! ## Quick Answers - **What is this?** Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3 by cummins - **How much does it cost?** 594.97 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/70551516-genuine-cummins-onan-onamax-15w-40-32-oz-engine-oil) ## Best For - cummins enthusiasts ## Why This Product - Trusted cummins brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Bulk Value Pack:** Three 1-quart bottles provide convenient, cost-effective maintenance supply. - β€’ **Versatile Compatibility:** Engineered specifically for trucks, buses, and generators to keep your fleet running smoothly. - β€’ **Highly Rated Performance:** 4.8-star average from 200+ reviews proves it’s the go-to oil for pros. - β€’ **Trusted Brand Reliability:** Cummins quality guarantees consistent lubrication and extended engine life. - β€’ **Precision Engine Protection:** Optimized 15W-40 viscosity ensures peak performance under heavy-duty conditions. ## Overview Cummins 3265336 Onan SAE 15W-40 Oil is a premium motor oil designed for heavy-duty vehicles and generators. Sold in a convenient 3-quart pack, it offers reliable engine protection with a trusted viscosity grade, ensuring optimal performance and longevity for trucks, buses, and generators alike. ## Description Keep your Cummins Onan generator protected with Genuine Cummins Onan OnaMax SAE 15W-40 Generator Engine Oil. Specially formulated and factory tested for generator engine applications, OnaMax oil provides dependable lubrication and protection to help support reliable engine performance throughout the year. This package includes three (3) 32 fl oz bottles of Cummins Onan OnaMax SAE 15W-40 Engine Oil, part number 326-5336. Designed for use in applicable Cummins Onan liquid-cooled generator engines, this genuine Onan Green Label product helps ensure you are using oil developed with Cummins generator applications in mind. Always refer to your generator or engine owner's manual to confirm the required oil viscosity, specification, and recommended service intervals before use. Package Quantity: 3 bottles Bottle Size: 32 fl oz (1 quart) each Oil Grade: SAE 15W-40 Part Number: 326-5336 Brand: Cummins Onan / OnaMax ## Features - GENUINE CUMMINS ONAN QUALITY – Genuine Onan OnaMax engine oil, part number 326-5336, developed and factory tested for use in applicable Cummins Onan generator engines. - 3-PACK OF 32 OZ BOTTLES – Includes three 32 fl oz (1 quart) bottles of OnaMax SAE 15W-40 engine oil for a total of 2 quarts. - SAE 15W-40 ENGINE OIL – Formulated to provide dependable lubrication and engine protection while supporting reliable generator performance throughout the year. - DESIGNED FOR GENERATOR ENGINES – Intended for applicable Cummins liquid-cooled generator engines and formulated with the demands of generator operation in mind. - VERIFY BEFORE USE – Refer to your generator or engine owner’s manual to confirm the required oil viscosity, lubricant specification, capacity, and recommended maintenance interval. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00YBFXRGY | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #52,318 in Automotive ( See Top 100 in Automotive ) #417 in Motor Oils | | Brand | Cummins | | Brand Name | Cummins | | Compatible with Vehicle Type | Onan Generator | | Container Type | Bottle | | Customer Reviews | 4.9 out of 5 stars 229 Reviews | | Item Highlight | Onan Green Label Parts | | Liquid Volume | 32 fluid ounces | | Manufacturer | Cummins Inc. | | Manufacturer Part Number | 326-5336 | | Number of Packs | 3 | | Package Information | Bottle | | SAE J300 Viscosity Grade | 15W-40 | | Size | 32 oz | | Unit Count | 96 Fluid Ounces | | Vehicle Service Type | Onan Generator | | Viscosity Level | Medium to High | ## Product Details - **Brand:** Cummins - **Liquid Volume:** 32 Fluid Ounces - **Package Information:** Bottle - **Vehicle Service Type:** Truck, Bus, Generator - **Viscosity:** 15W-40 ## Images ![Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3 - Image 1](https://m.media-amazon.com/images/I/718QJbWcGqL.jpg) ![Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3 - Image 2](https://m.media-amazon.com/images/I/61KPhqAqxcL.jpg) ![Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3 - Image 3](https://m.media-amazon.com/images/I/71iUr5zJRXL.jpg) ![Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3 - Image 4](https://m.media-amazon.com/images/I/51As2w4NPPL.jpg) ![Genuine Cummins Onan OnaMax 15W-40 32 oz. Engine Oil 326-5336 | Pack of 3 - Image 5](https://m.media-amazon.com/images/I/71AYmBXEMtL.jpg) ## Frequently Bought Together - Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart (Quantity 3) - CUMMINS NW Cummins 1220833 Onan Quiet Diesel Oil Filter - Cummins Onan Maintenance Kit HDKAK, HDKAJ, HDKAK, HDKAT, HDKAU, HDKAV spec A-K --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/70551516-genuine-cummins-onan-onamax-15w-40-32-oz-engine-oil](https://www.desertcart.tn/products/70551516-genuine-cummins-onan-onamax-15w-40-32-oz-engine-oil) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-11-04*