Description
xKeep your Cummins Onan generator ready for action with OnaMax SAE 15W-40 Engine Oil, a conventional, non-synthetic formula that the manufacturer tests for peak protection. This oil is designed to perform under demanding conditions, maintaining a stable film during high heat and long runtimes. By aligning with the Onan factory setup, OnaMax 15W-40 helps owners feel confident in routine service, whether you rely on a home standby during outages or a portable unit at remote sites. The non-synthetic base is chosen for predictable behavior across a range of temperatures and engine loads, offering familiar handling during oil changes and refills.
Key advantages at a glance
- Conventional non-synthetic oil chosen for predictable performance and easy maintenance
- Specially formulated to reduce consumption and engine wear caused by high temperature oil oxidation
- 32 ounce bottle designed for straightforward servicing and standard maintenance intervals
Real world use and scenarios
Whether you rely on a residential standby unit, a portable power source for a job site, or a small business backup system, OnaMax 15W-40 is intended to support routine oil changes and steady operation. Its formulation aims to maintain a protective film as heat and load rise, helping you feel confident during longer runtimes and hotter days. In hot climates or during extended operation, the oil is designed to resist thinning and maintain lubrication efficiency, contributing to smoother starts and consistent performance across cycles.
- Ideal for regular maintenance on Onan generators with a conventional oil choice
- Supports predictable viscosity performance in warm to hot climates
Product details and storage tips
Packaged in a 32 oz bottle, OnaMax is a practical choice for standard oil change schedules. Store in a cool, dry place away from direct sunlight to preserve viscosity and performance. Always follow the generator manufacturer guidelines for service intervals and compatibility to maximize uptime and maintain reliability over time.
FAQ
Q: What is the OnaMax SAE 15W-40 Engine Oil used for?
A: A conventional, non-synthetic oil designed for Onan generators to help reduce consumption and wear during high-temperature operation.
Q: Is OnaMax included with Onan generators?
A: Yes, factory ships Onan generators with OnaMax 15W-40 engine oil.
Shipping & Return
xReturn Policy
We offer a 30-day return policy, which means you have 30 days after receiving your item to request a return. For Perla Store items, returns are only accepted for products that arrive damaged, defective, incorrectly shipped, or in a condition that is the fault of the seller.
To be eligible for a return, your item must be in the same condition that you received it — unused, with all original packaging, tags, manuals, parts, and accessories included. Items that show signs of use, installation, wear, assembly, or damage caused after delivery cannot be returned.
You will also need your receipt or proof of purchase.
To start a return, contact us at perlastore.ca@gmail.com
All approved returns must be sent to the following address:
Perla Store – Returns Department
2601 E 28th St, STE 005
Signal Hill, California
United States
If your return is accepted, you will receive a prepaid return shipping label (when applicable) along with detailed instructions on how and where to send your package.
Items sent back without first requesting a return will not be accepted.
You can always reach us at perlastore.ca@gmail.com for any return-related questions.
Damages and Issues
Please inspect your order upon delivery and contact us immediately if your item is damaged, defective, incorrect, broken, missing parts, or arrives in poor condition. We will evaluate the issue and make it right.
For seller-caused issues (damaged, defective, incorrect), Perla Store will cover the return shipping cost.
Exceptions / Non-Returnable Items
The following items cannot be returned:
- Used or installed products
- Items showing signs of use, wear, dirt, or damage after delivery
- Perishable goods
- Products returned without original packaging, parts, manuals, or accessories
- Assembled furniture or products damaged during customer assembly
- Customized or personalized items
- Hazardous materials or flammable liquids
- Sale or clearance items
- Gift cards
If you are unsure about your item’s return eligibility, please contact us before sending it back.
Exchanges
Exchanges are only available for unused items that arrived damaged, defective, or incorrect. The fastest way to receive the item you want is to return the original (if eligible) and place a new order once your return is approved.
European Union 14-Day Cooling-Off Period
If your order is shipped into the European Union, you have 14 days to cancel or return the item for any reason. However, items must still be unused, in original condition, and in their original packaging with all included parts and accessories.
Refunds
Once we receive and inspect your return, we will notify you whether the refund was approved. If approved, your refund will be processed to your original payment method within 10 business days.
Please note that your bank or credit card provider may require additional time to process and post the refund.
If more than 15 business days have passed since your refund was approved, please contact us at perlastore.ca@gmail.com
ORDER PROCESSING TIME
All orders are processed within 2–3 business days after payment confirmation. Orders placed on weekends or holidays will be processed on the next business day.
If there is any delay in preparing your order, we will notify you promptly by email.
SHIPPING TIME
Perla Store ships exclusively within Canada across all provinces and territories.
Standard delivery: Total delivery time is approximately 5 business days (2–3 business days processing plus delivery time).
Remote or northern regions: 6–10 business days due to distance, weather conditions, and limited carrier routes.
Deliveries to areas such as Yukon, Northwest Territories, Nunavut, and certain rural communities may take longer because of seasonal and logistical factors.
While we always aim for timely deliveries, once a package is handed over to the carrier, Perla Store is not responsible for carrier delays, service interruptions, or weather-related disruptions.
SHIPPING CONFIRMATION AND TRACKING
Once your order has shipped, you will receive a shipping confirmation email containing your tracking number and a link to track your shipment.
Tracking details typically become active within 24–48 hours after shipment.
SHIPPING RATES
Shipping within Canada is free on all orders.
Expedited or express delivery options may be available at checkout for an additional fee depending on your location.
ADDRESS ACCURACY
Please ensure your shipping address is complete and accurate before placing your order. Perla Store is not responsible for delays, lost shipments, or delivery issues caused by incorrect or incomplete address information.
DAMAGED OR LOST PACKAGES
If your order arrives damaged, please contact us immediately at perlastore.ca@gmail.com with clear photos of the package and its contents. We will review the situation and assist you as quickly as possible.
If your package is marked as “delivered” by the carrier but you have not received it, please first:
- Check with neighbors or building management
- Verify the shipping address used during checkout
- Contact your local delivery office
If the issue remains unresolved, please email us and we will help initiate a carrier inquiry or claim when applicable.
INTERNATIONAL SHIPPING
At this time, Perla Store ships only within Canada. International shipping options may become available in the future.
CONTACT
If you have any questions regarding shipping, please contact us at: perlastore.ca@gmail.com
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