V12Throttle
Mitsubishi 3000GT VR4 Dodge Stealth RT Turbo Fuel Pump Assembly Old Part # MB678807
Mitsubishi 3000GT VR4 Dodge Stealth RT Turbo Fuel Pump Assembly Old Part # MB678807
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⚠️ Limited Production Run — No restock after remaining 7 units sell out.
Following a multi-year development, V12Throttle Corp is proud to present a new complete fuel pump assembly for the 1991–1999 Mitsubishi 3000GT VR4 / Dodge Stealth RT Twin Turbo. Plug-and-play installation with several upgrades while retaining OEM form, reliability, and function.
Only the highest quality components were used — high-grade coated steel, PTFE wiring, and Teflon rubber. This pump underwent thousands of miles of real-world testing before release.
📦 What's Included
- Complete fuel pump assembly (drop-in replacement)
- Upgraded turbo pump motor (carbon commutators)
- Pre-installed OEM plug-in wiring harness
- Top rubber seal (pre-installed)
- Fuel level sender unit
- High-grade coated steel housing
🔌 Connector & Fitting Details
- Wiring connector: OEM plug-in style — direct replacement, no splicing required
- Wiring insulation: PTFE (high-heat, fuel-resistant)
- Fuel line fittings: OEM-matched inlet/outlet ports
- Seal material: Teflon rubber top seal
🚗 Fitment by Model & Year
| Make | Model | Trim | Years |
|---|---|---|---|
| Mitsubishi | 3000GT | VR4 (Twin Turbo) | 1991–1999 |
| Dodge | Stealth | RT Twin Turbo | 1991–1996 |
⚠️ Fits TURBO models only. Not compatible with naturally aspirated (NA) variants of either vehicle.
Supersedes OEM Part #: MB678807
⚡ Electrical Requirements
- Operating voltage: 12–14.5V DC
- Design voltage (spec point): 13.5V
- Current draw: Similar to OEM stock unit — will not overload or burn out the fueling circuit relay
- Connector type: OEM plug-in (no relay upgrade required)
📊 Flow & Pressure Specifications
- Flow rate: 185 lph @ 43 psi / 13.5V (under boost)
- Stock unit flow rate: ~160 lph (this is an upgrade)
- Operating pressure: 43 psi
- Operation: Quiet — designed to match OEM noise levels
🔧 Installation Assumptions
- Direct plug-and-play replacement for OEM assembly — no cutting, splicing, or adapter required
- Assumes stock fuel tank, sending unit location, and unmodified fuel circuit relay
- Compatible with factory fuel pressure regulator
- Standard removal of fuel tank access panel required (refer to FSM for procedure)
- Recommended to drain or lower fuel level before removal for easier handling
✅ Buyer Verification Checklist
Before ordering, confirm the following:
- Your vehicle is the twin-turbo variant (VR4 or RT Turbo) — not the NA or SOHC model
- Your OEM part number matches or supersedes MB678807
- Your fuel circuit relay and wiring are in working condition (pump will not compensate for a failed relay)
- Your fuel tank is free of debris or contamination (a contaminated tank will damage any new pump)
- You are using compatible fuel (gasoline — not flex/E85 unless confirmed with V12Throttle)
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from 15 reviewsIt's perfect, and it's right. Like I said, it is awesome, it's perfect.
Easy ordering and super fast shipping! Thanks!
This was a great solution with easy installation that was a direct replacement for that stubborn rubber fuel line that connects the hardline to the fuel sender. Excellent product. Will buy again
6AN fittings work great, shipping was fast, fair price as always!
Nice parts. Came as described also came very quickly.
Received complete wheel spacer set with no issues. Thank you!
shipping process very fast, awesome communication, great service at all... AAA++++++
They are fantastic!!
Item arrived in a very timely manner. It was very very well packaged. Much better condition than I thought. Great communication and will certainly buy from again. Keep up the great work!
Your product is high quality and a perfect replacement for the OEM fuel line. The price was fair, ordering was easy, product is excellent, and delivery was on time. I am a very satisfied customer and will be coming back for more products.
Exactly what i needed, shipped fast!
Reliable and fast! Part as described . Thank you
Arrived nicely packaged, and as described, happy with my purchase
Product was as described and packaged properly