Vehicle Specification & Fitment
| OEM Part Number | MR977461 |
|---|---|
| Manufacturer Reference | 12P00809244060 |
| Make | Mitsubishi |
| Model | Pajero |
| Series | Np |
| Year Range | 2002 - 2006 |
| Compatible Years | 2002, 2003, 2004, 2005, 2006 |
| Weight | 7.2 Kgs |
| Condition | Used (Tested & Verified) |
Mitsubishi Pajero NP ABS Pump Master Cylinder Booster Assembly - Part No. MR977461 (2002–2006)
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Unsure if this fits your vehicle? Our experts will manually verify the compatibility of SKU: OEBVTV for your specific Mitsubishi model before dispatch.
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Free Express Shipping Australia-Wide (1-2 business days) or free in-store pickup from our Yennora, NSW warehouse.
View Warehouse LocationTested & Verified Hydraulic Booster Accumulator | SKU: OEBVTV | 12-Month Replacement Warranty
Restore absolute braking control and clear critical system faults with this Genuine Mitsubishi Pajero ABS Pump Modulator & Accumulator Assembly (Part No: MR977461). Sourced from low-mileage donor vehicles and meticulously bench-tested at our Yennora, NSW warehouse, this unit is the definitive replacement for failing 2002–2006 NP series 4WD braking systems. This module serves as your primary hydraulic power brake booster and nitrogen accumulator assembly, essential for anti-lock performance on Australian roads.
Fault Symptoms (Is Your Mitsubishi Pajero ABS Booster Failing?)
The 4th Generation Mitsubishi Pajero platform frequently exhibits these exact diagnostic symptoms when the MR977461 internal hydraulic pump or nitrogen accumulator encounters failure:
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Continuous High-Pitched Alarm / Chirping Noise Under Dash An audible high-pressure warning buzzer indicating the electric pump motor is running constantly due to a depleted nitrogen gas accumulator sphere.
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Hard Brake Pedal & Loss of Power Assist Hydraulic booster pressure drops drastically, resulting in a rock-hard pedal feel and severe reduction in immediate stopping power during emergency braking.
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Illuminated ABS, ASC, Traction Control & Brake Dash Lights Persistent dashboard fault alerts displaying MUT-III trouble codes (such as C1203, C121D, or C1364) for internal pressure sensor and motor circuit failure.
Fitment & Technical FAQ for Mitsubishi Pajero (2002 - 2006) Braking System Part #MR977461
Yes, matching primary part number MR977461 is strongly recommended for 2002–2006 Mitsubishi Pajero NP models (both 3.2L 4M41 Turbo Diesel and 3.5L/3.8L V6 Petrol). While MR977461 interchanges with certain superseded 3rd Generation assemblies (such as MR569728), verifying the exact part number on your existing unit’s pump casing ensures complete compatibility with your vehicle’s brake line port thread pitch, wiring harness connector, and pressure sensor calibration.
The most common symptoms of failure on NP Pajeros include a high-pitched alarm buzzer sounding constantly under the dashboard, a hard brake pedal requiring extreme foot pressure to stop, and active ABS, ASC, and Brake warning lights. On diagnostic scan tools (MUT-III or equivalent), a failing unit typically triggers trouble codes C1203 (ABS Hydraulic Pressure Sensor Circuit Failure), C121D (Abnormal Accumulator Pressure), or C1364 (Accumulator Pressure Sensor Malfunction).
This assembly is plug-and-play and does not require VIN programming or ECU reflashing. However, because it relies on an integrated high-pressure nitrogen accumulator, a strict bleeding procedure is required upon installation. Mechanics must follow the factory hydraulic bleed sequence and use a diagnostic scan tool capable of cycling the internal electric pump motor to fully purge trapped air from the high-pressure solenoid valve block.
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