--- product_id: 405344796 title: "GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Onan RV Generator Model KY 4000 with ONAMAX 15W40 oil for use with Spec A - N" brand: "gps" price: "¥44657" currency: JPY in_stock: true reviews_count: 5 category: "Gps" url: https://www.desertcart.jp/products/405344796-gps-generator-parts-specialist-tune-up-kit-for-onan-rv store_origin: JP region: Japan --- # 4000 KW peak power Includes premium ONAMAX 15W40 oil Complete OEM tune-up kit GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Onan RV Generator Model KY 4000 with ONAMAX 15W40 oil for use with Spec A - N **Brand:** gps **Price:** ¥44657 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your RV adventures with confidence and style! ## Quick Answers - **What is this?** GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Onan RV Generator Model KY 4000 with ONAMAX 15W40 oil for use with Spec A - N by gps - **How much does it cost?** ¥44657 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/405344796-gps-generator-parts-specialist-tune-up-kit-for-onan-rv) ## Best For - gps enthusiasts ## Why This Product - Trusted gps brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Premium ONAMAX 15W40 Oil:** Engineered for superior lubrication and extended generator life. - • **All-in-One OEM Tune-Up Kit:** Everything you need to keep your Onan RV generator running like new. - • **Comprehensive Maintenance Parts:** Includes spark plug, air filter, and fuel filter for full service. - • **Trusted by Pros, Loved by RVers:** 72 reviews with a 4.9-star rating prove unbeatable value and reliability. - • **Precision Spark Plug Gap Tool Included:** Optimize ignition performance with exact spark plug settings. ## Overview The GPS Generator Parts Specialist Tune Up Kit for Onan RV Generator Model KY 4000 delivers a complete OEM maintenance solution, featuring genuine Onan parts including ONAMAX 15W40 oil, spark plug, air and fuel filters, plus a spark plug gap tool. Designed to ensure peak 4000 KW performance and reliability, this kit is the go-to choice for RV owners who demand professional-grade upkeep and long-lasting power on the road. ## Description GPS GENERATOR PARTS SPECIALISTS has assembled this kit for the Cummins Onan QG4000 model 4KY using only OEM Onan parts. Kit includes ONAMAX oil for specs A through N. Kit also includes documentation regarding proper oil selection and spark plug gap with a spark plug gap tool. Review: Solid kit - Good comprehensive kit for tune up Review: Great value - Everything we needed to service generator. Would buy again. ## Features - This kit includes all Onan OEM required hard parts to perform generator maintenance including oil. - Onan ONAMAX Oil (QTY:2) PN: 326-5336 - Onan Spark plug PN: 167-0275 - Onan Air Filter PN: 140-3280 - Onan Fuel Filter PN: 149-2457.GPS Spark Plug Gap Tool PN: 627-0560.Order from Generator Parts Specialists to ensure you receive all products listed on this listing** ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0998243T2 | | Additional Features | OEM | | Brand | GPS | | Brand Name | GPS | | Customer Reviews | 4.9 out of 5 stars 72 Reviews | | Engine Type | Spark-ignition Internal Combustion Engine | | Frequency | 50 Hz | | Fuel Type | Oil | | Fuel type | Oil | | Global Trade Identification Number | 00850008769238 | | Ignition System Type | Spark-ignition | | Included Components | Onan ONAMAX Oil (QTY:2) PN: 326-5336, Onan Spark plug PN: 167-0275, Onan Air Filter PN: 140-3280, Onan Fuel Filter PN: 149-2457, GPS Spark Plug Gap Tool PN: 627-0560 | | Item Weight | 5 Pounds | | Item weight | 5 Pounds | | Manufacturer | GPS GENERATOR PARTS SPECIALIST | | Manufacturer Part Number | KY-A3280-1540 | | Model Name | KY | | Model Number | KY-A3280-1540 | | Number of Items | 1 | | Output Wattage | 15 Watts | | Power Source | Fuel Powered | | Power source | Fuel Powered | | Recommended Uses For Product | Camping | | Recommended uses for product | Camping | | Running Wattage | 4000 Kilowatts | | Starting Wattage | 4000 Kilowatts | | Total Power Outlets | 1 | | Voltage | 240 Volts | | Wattage | 4000 KW | ## Product Details - **Brand:** GPS - **Fuel type:** Oil - **Power source:** Fuel Powered - **Recommended uses for product:** Camping - **Wattage:** 4000 KW ## Images ![GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Onan RV Generator Model KY 4000 with ONAMAX 15W40 oil for use with Spec A - N - Image 1](https://m.media-amazon.com/images/I/61RIgjGc8KL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Solid kit *by A***R on 27 January 2026* Good comprehensive kit for tune up ### ⭐⭐⭐⭐⭐ Great value *by G***E on 5 June 2026* Everything we needed to service generator. Would buy again. ### ⭐⭐⭐⭐⭐ Great product *by P***E on 23 May 2026* Very nice product and even included nitrile gloves and professionally packaged. WOW> ## Frequently Bought Together - GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Onan RV Generator Model KY 4000 with ONAMAX 15W40 oil for use with Spec A - N - Carburetor Carb with Gaskets for Onan Cummins Generator & Microquiet 4000-Watt 4KYFA26100 4KYFA26100P 4KYFA26100K Replace# A042P619, A041D736, 146-0785 - partszen 149-2311 Fuel Pump with 149-2457 Fuel Filter Tune Up Kit for Onan Cummins Generator 4000 4KW Microlite MicroQuiet Generators Parts with 1403280 Air Filter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/405344796-gps-generator-parts-specialist-tune-up-kit-for-onan-rv](https://www.desertcart.jp/products/405344796-gps-generator-parts-specialist-tune-up-kit-for-onan-rv) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-28*