The Lincoln Magnum PRO 100L Welding Gun 8-pin (K4528-1-8P) is a 100-amp, air-cooled MIG gun with a 10 ft cable and an 8-pin connector, purpose-built for Lincoln welders with 8-pin gun ports. Lightweight and compact, it runs at 100% duty cycle on mixed gas — the ideal tool for home, farm, auto body, and light maintenance welding.
| Model | Magnum PRO 100L |
|---|---|
| Part Number | K4528-1-8P |
| Amperage Rating | 100A (100% duty cycle, mixed gas) |
| Cable Length | 10 ft (3 m) |
| Cooling Method | Air-cooled |
| Wire Diameter Range | 0.025–0.045 in. (0.6–1.2 mm) |
| Connector / Pin Configuration | 8-pin connector |
| Consumables Family | Magnum PRO 100L series (KP3075 nozzles, KP3076 diffuser, KP35/KP45 liners) |
| Compatible Welders | Lincoln POWER MIG 140 MP (and other Lincoln machines with 8-pin gun ports) |
| Welding Processes | MIG (GMAW), Pulsed MIG, Flux-Cored (FCAW) |
The Magnum PRO 100L with 8-pin connector is the go-to gun for hobbyist and light professional welding applications where compact size, low weight, and 8-pin machine compatibility are the priority.
- Home and hobby welding — ideal for garage and home-shop owners tackling repairs, trailers, garden equipment, and general metal fabrication up to 3/16 in. steel.
- Auto body work — the lightweight curved handle and 10 ft cable give bodywork technicians the control needed for thin-gauge sheetmetal without dragging a heavy gun across the vehicle.
- Farm and ranch maintenance — quick, reliable MIG welding for equipment repairs where portability and simplicity matter more than high amperage output.
- Light structural repair and maintenance — handles standard mild steel solid wire and flux-cored wire up to 0.045 in. for occasional repair work.
- POWER MIG 140 MP owners — direct OEM 8-pin replacement gun for Lincoln's multi-process 140A machine.
The K4528-1-8P uses the Magnum PRO 100L consumables family — specifically engineered for the PRO 100L gun body. Copper Plus contact tips feature a large-mass design for better heat dissipation and Anti-Seize threads that prevent seizing in the diffuser. All thread-on nozzles in the 100L system use a standardized mounting to simplify inventory.
- Contact Tips: Magnum PRO Copper Plus tips for the 100L — available in 0.025, 0.030, 0.035, and 0.045 in. sizes.
- Nozzles: Thread-on nozzles in 3/8 in. and 1/2 in. ID, flush and 1/4 in. stick-out configurations — KP3075-1 series.
- Gas Diffuser: KP3076-1 Magnum PRO 100L gas diffuser; available individually or in 25-packs.
- Liners: KP35-40-15 (0.025–0.035 in.) and KP45-40-15 (0.035–0.045 in.); Teflon aluminum liner KP1959-1 also available for aluminum wire applications.
Shop the full range at WeldingMart Torch Tips & Nozzles. For the complete gun accessories collection, visit the Magnum PRO Guns & Torches hub.
WeldingMart is an authorized Lincoln Electric distributor, ensuring every Lincoln product — including the K4528-1-8P — is 100% genuine OEM equipment with full manufacturer warranty coverage. We do not sell gray-market or third-party imitation guns.
- Genuine OEM product: Authorized distributor status guarantees authentic Lincoln Electric equipment at competitive pricing.
- Consumables in stock: We carry the complete Magnum PRO 100L tips, nozzles, diffusers, and liners so you can restock without hunting multiple suppliers.
- Expert guidance: Not sure which 100L variant fits your machine? Our welding experts can confirm connector and compatibility before you order.
- Fast US shipping: In-stock orders ship within one business day from our US warehouse.
Browse the full Magnum PRO collection to find guns, consumables, and accessories for every Lincoln welding application.