--- product_id: 303041753 title: "Master Elite Paint System MPS Spray Gun Cup Adapter 840 - Converts Iwata Supernova LS400, WS400 Spray Guns for Use with Master Paint System Disposable Liner and Lid" brand: "master airbrush" price: "€ 37.84" currency: EUR in_stock: true reviews_count: 8 category: "Master Airbrush" url: https://www.desertcart.be/products/303041753-master-elite-paint-system-mps-spray-gun-cup-adapter-840 store_origin: BE region: Belgium --- # Precision-machined for smooth gravity cup mount fit Compatible with disposable liner system to reduce waste 1/4" Male Adapter with 19 BSP thread Master Elite Paint System MPS Spray Gun Cup Adapter 840 - Converts Iwata Supernova LS400, WS400 Spray Guns for Use with Master Paint System Disposable Liner and Lid **Brand:** master airbrush **Price:** € 37.84 **Availability:** ✅ In Stock ## Summary > 🎨 Upgrade your spray game—precision meets productivity! ## Quick Answers - **What is this?** Master Elite Paint System MPS Spray Gun Cup Adapter 840 - Converts Iwata Supernova LS400, WS400 Spray Guns for Use with Master Paint System Disposable Liner and Lid by master airbrush - **How much does it cost?** € 37.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/303041753-master-elite-paint-system-mps-spray-gun-cup-adapter-840) ## Best For - master airbrush enthusiasts ## Why This Product - Trusted master airbrush brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Labor-Free Cleanup:** Eliminate tedious cleaning—just swap liners and keep spraying without downtime - • **Eco-Smart Efficiency:** Cut paint & solvent waste dramatically with disposable cup liners—save time and money - • **Precision Engineering:** Durable, exact-fit adapter ensures leak-free, smooth airflow every time - • **Seamless Compatibility:** Effortlessly converts Iwata Supernova LS400, WS400 & select spray guns for MPS disposable liners - • **Versatile Coating Ready:** Supports all paint types from automotive basecoats to epoxies and varnishes ## Overview The Master Elite Paint System MPS Spray Gun Cup Adapter 840 is a precision-engineered 1/4" male BSP threaded adapter designed to convert Iwata Supernova LS400, WS400, and select spray guns for use with the Master Paint System disposable liner and lid system. This durable adapter enhances spraying efficiency by enabling quick liner swaps, reducing paint and solvent waste, and eliminating cleaning labor, making it ideal for professional use with a wide range of coatings including automotive paints, primers, epoxies, and commercial finishes. ## Description Master Elite Paint System MPS Spray Gun Cup Adapter 840 - Converts Iwata Supernova LS400, WS400 Spray Guns for Use with the Master Paint System MPS Disposable Spray Gun Cup Liners and Lid System Master Elite Paint System MPS Spray Gun Cup Adapter, MPS-840 Master Elite Paint System MPS Spray Gun Cup Adapter, Part number MPS-840. 1/4 inch Male Adapter with 19 thread BSP. A very durable adapter made with exacting precision to screw into a spray gun's gravity cup mount smoothly. This MPS spray gun cup adapter allows you to convert your new or existing spray gun for use with the Master Elite Paint System MPS Disposable Paint Spray Gun Cup Liners and Lid System. The 840 adapter fits Iwata Supernova LS400, WS400 spray guns, Iwata AirGunsa AZ3 HTE 2 spray guns and other select spray gun models.About The MPS Disposable Spray Gun Cup Liners and Lid System Dramatically increase your spraying efficiency and overall productivity by saving time, labor, waste, and money using the MPS disposable cup system! Reduce your paint material waste and cleaning solvent waste while at the same time eliminating the cost and labor associated with cleaning traditional metal gun cups and the need for mixing cups and paint cans. Master Elite Spray Guns, MPS disposable cup system works excellent with all types of paints, primers, epoxies, and commercial coatings. Use the cup system with automotive paint basecoats, clearcoats, topcoats, and primers, as well as with stains, sealers, gel coats, varnishes, urethanes, enamels, and lacquers. Review: Fits perfectly on the iwata ws 400 - Good quality. Fits well on my iwata ws400 Review: Durable Paint Spray Gun Adapter - The adapter fits my spray gun perfectly and feels solid when installed. There have been no leaks and the airflow has been smooth so far, made switching setups a lot easier. ## Features - Master Elite Paint System MPS Spray Gun Cup Adapter, Part number MPS-840. 1/4" Male Adapter with 19 thread BSP. A very durable adapter made with exacting precision to screw into a spray gun's gravity cup mount smoothly. - This MPS spray gun cup adapter allows you to convert your new or existing spray gun for use with the Master Elite Paint System MPS Disposable Paint Spray Gun Cup Liners and Lid System. - The 840 adapter fits Iwata Supernova LS400, WS400 spray guns, Iwata AirGunsa AZ3 HTE 2 spray guns and other select spray gun models - Dramatically increase your spraying efficiency and overall productivity by saving time, labor, waste, and money using the MPS disposable cup system! Reduce your paint material waste and cleaning solvent waste while at the same time eliminating the cost and labor associated with cleaning traditional metal gun cups and the need for mixing cups and paint cans. - Master Elite Spray Guns, MPS disposable cup system works excellent with all types of paints, primers, epoxies, and commercial coatings. Use the cup system with automotive paint basecoats, clearcoats, topcoats, and primers, as well as with stains, sealers, gel coats, varnishes, urethanes, enamels, and lacquers. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08Z2QH48D | | Best Sellers Rank | #64,100 in Automotive ( See Top 100 in Automotive ) #62 in Body Repair Paint Spray Guns | | Brand | Master Airbrush | | Brand Name | Master Airbrush | | Color | Multicolor | | Customer Reviews | 4.6 out of 5 stars 169 Reviews | | Included Components | 1 x Spray Gun Cup Adapter | | Manufacturer | Master Airbrush | | Model Name | Master Paint System MPS Spray Gun Cup Adapter | | Model Number | MPS-840 | | Part Number | MPS-840 | | Special Feature | Gravity Feed | | Special Features | Gravity Feed | | UPC | 848849068238 | ## Product Details - **Brand:** Master Airbrush - **Color:** Multicolor - **Recommended Uses For Product:** Painting - **Material:** Metal - **Style:** Gun ## Images ![Master Elite Paint System MPS Spray Gun Cup Adapter 840 - Converts Iwata Supernova LS400, WS400 Spray Guns for Use with Master Paint System Disposable Liner and Lid - Image 1](https://m.media-amazon.com/images/I/71pnwf1fOYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fits perfectly on the iwata ws 400 *by C***S on November 28, 2025* Good quality. Fits well on my iwata ws400 ### ⭐⭐⭐⭐⭐ Durable Paint Spray Gun Adapter *by S***E on May 26, 2026* The adapter fits my spray gun perfectly and feels solid when installed. There have been no leaks and the airflow has been smooth so far, made switching setups a lot easier. ### ⭐⭐⭐⭐⭐ Works fine *by T***D on May 24, 2026* It screwed into my Iwata, and holds a paint cup. That’s all I needed it to do. --- ## 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.be/products/303041753-master-elite-paint-system-mps-spray-gun-cup-adapter-840](https://www.desertcart.be/products/303041753-master-elite-paint-system-mps-spray-gun-cup-adapter-840) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-08-14*