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The MaySpare Max Transient 200A Trombetta 12V Solenoid Relay is a heavy-duty, 3-terminal starter solenoid designed for automotive, marine, and RV applications. Featuring a 200 amp max current rating, corrosion-resistant sealed steel housing, and precision mounting, it ensures reliable engine starts under demanding conditions. Rated for short bursts of continuous duty, it’s a trusted OEM-quality replacement part with excellent customer reviews.
| Asin | B0797WZBD9 |
| Best Sellers Rank | #5,751 in Automotive (See Top 100 in Automotive) #1 in Automotive Replacement Starter Solenoids |
| Brand Name | MaySpare |
| Coil Voltage | 12 Volts |
| Connector Type | Screw |
| Contact Current Rating | 200 Amps |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Current Rating | 200 Amps |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,052) 4.4 out of 5 stars |
| Manufacturer | May Spare Parts |
| Maximum Switching Current | 5 Amps |
| Maximum Switching Voltage | 12 Volts |
| Minimum Switching Voltage | 12 Volts (DC) |
| Model | US-AUTO3T |
| Mounting Type | Pole |
| Number Of Terminals | 3 |
| Operating Time | 5 Minutes |
| Operation Mode | Automatic |
| Part Interchange Info | 15-123, SAS4208, SAW4226, 15-139, 15-247,118665,15-123 |
| Part Number | US-AUTO3T |
| Specification Met | OEM |
| Unit Count | 1.0 Count |
| Upc | 729043161300 |
| Wattage | 10.28 watts |
User
Quality Starter Solenoid
Solid starter solenoid. Well built and seems to be of high quality. My tractor starts up very strong now!
User
Universal fit and compatibility
Didn’t come with curved base but I just adjusted with pliers. Fit perfectly and restored dump function to my truck. Works genetically for many of the hydraulic pumps out there.
User
Works great.
Works great, used it on my riding mower.
User
Part
Looks to in good quality
User
Snow and ice management llc
What a freat buy for plowing contractors with Curtis. Fisher. Western plows systems. Its really hard to beat up when plowing lots and roadwork plowing and maintenance threwout the storms. I purchased a few for back up. Dont use starter units it needs to be continuous soliniod type. Awesome product great price.
User
Dump Bed Solenoid
Worked great for my 98 Ram 3500 dump bed. Old solenoid went out and this one does great.
User
Not happy with it 😩
I bought this starter solenoid relay for my Massey Ferguson tractor 1year ago this month. It worked fine until today , it shorted out and caused my starter to keep spinning! I jumped off the tractor because the key would not shut it down… I was able to yank the battery cable off the post before my starter gave out. I know it’s only a $15.00 part but could have cost me a new starter.I just ordered another brand , hopefully it will last longer 🤞
User
It's pretty good
Had a starter rebuilt/repaired at local stater shop and the solenoid that came with it blew out in nothing flat. Bought this one and so far it's been working for over a year.
User
Relay/solenoid for camper power
Works well and as expected
User
look well made
Work as they should. Wired up a pair to repair failed solenoids on my older 3 wire motor RV slide control system. Nice that control grounds through body so no additional ground wire needed.
User
Works well, little loud when clicking on.
I used this relay to connect an auxiliary battery on my truck. Things to note about it:it needs to be grounded to work.Current rating is only after it is engaged.Turn on amperage is significantly lower and can cause fusing of the relay. Make sure heavy loads are off until it is engaged.When powered off it the circuit is disconnected position and has no draw.The relay uses power to keep it connected so it will drain your battery overtime if left connected when not charging.Overall a decent product little loud when turning on and off with the ignition switch having it bolted under to my firewall under the hood.
User
Great replacement
Works perfect not exact fit for omc oem solenoid have to drill new mounting holes
User
It works well thus far!
My Yanmar 40hp inboard diesel was giving me starter fits. After replacing the starter and solenoid, still did not work - just "click". Then I removed the starter relay and discovered it was rusted out. Vancouver Outboard quoted a new starter relay switch at close to $400 and rush shipping charges. I paid $30 for this part and it can handle 200 amps. Works like a top so far.
Trustpilot
3 weeks ago
1 month ago