This curated assortment covers all mission-critical wear, sealing, bearing, and functional components for the MTU V-16 BR 4000 engine, including cylinder liners, piston assemblies, main/camshaft bearings, precision gaskets, O-rings, valve components, injector parts, and lubrication filters. All parts undergo factory performance and load testing validated for the engine’s rated 1800 RPM operating speed and heavy-duty continuous duty cycle, with full material traceability and compliance with MTU original manufacturing standards. The lineup features heat-treated alloy bearings, high-temperature resistant gaskets, precision-machined cylinder liners, and marine-grade sealing components, fully mapped to MTU OEM part numbers for simplified inventory management and emergency field repairs.
Functional Performance Specifications
These MTU V-16 BR 4000 spare parts deliver industry-leading reliability: OEM cylinder liners and piston rings provide leak-free combustion with a service life of 20,000+ operating hours, boosting fuel efficiency by 7%; tri-metal main and connecting rod bearings withstand dynamic loads up to 240MPa, reducing friction loss by 42%; high-performance seals and gaskets maintain leak-free operation at temperatures up to 360°F, preventing oil/fuel contamination; precision valve guides and rotators ensure stable valvetrain operation, eliminating misfires and power loss; and OEM fuel injector components deliver precise fuel delivery, sustaining consistent engine performance under variable load conditions.
Structural & Material Features
- OEM Precision Machining: All engine components are manufactured to tight tolerances (±0.0002 inch), ensuring perfect alignment with the V-16 BR 4000 engine’s internal assemblies and eliminating misalignment-related wear.
- Heavy-Duty Premium Materials: Bearings use high-grade tri-metal alloy, seals use fluoroelastomer for oil/fuel resistance, cylinder liners use hardened cast iron, and fasteners use corrosion-resistant alloy steel for marine/offshore durability.
- Leak-Proof Sealing Design: Multi-layer gaskets and precision O-rings create tight, long-lasting joints for the engine’s lubrication, fuel, and cooling systems, preventing fluid loss and external contamination.
- Vibration-Resistant Construction: Engine bearings and structural components are engineered to absorb heavy operational vibration, preventing premature failure during continuous high-load running.
- Direct Drop-In Compatibility: Pre-sized, OEM-matched components reduce engine overhaul time by 65%, minimizing non-productive downtime during critical repairs.
Applicable Operating Conditions
These spare parts are built for extreme heavy-duty environments, optimized for the MTU V-16 BR 4000 engine used in marine workboats, offshore drilling rigs, industrial generator sets, and critical standby power systems. They perform reliably in ambient temperatures ranging from -40°F to 158°F, resist exposure to diesel fuel, engine oil, saltwater, and heavy vibration, and endure continuous high-load operation. Components are suitable for marine classified areas and industrial hazardous locations, fully complying with global engine safety and emissions standards.
Maintenance & Service Recommendations
- Inspect cylinder liners, piston rings, and bearings every 8 months for wear or scoring; replace worn components and recondition mating surfaces to maintain OEM clearances.
- Check all seals, gaskets, and O-rings quarterly for hardening, cracking, or fluid leakage; replace degraded sealing components immediately to prevent oil/fuel loss and contamination.
- Lubricate valvetrain components and bearings with approved MTU heavy-duty engine oil every 3,000 operating hours to reduce friction and prevent seizing.
- Inspect fuel injectors, injector tubes, and valve components semi-annually for clogging or wear; clean or replace parts to maintain consistent fuel delivery and valvetrain performance.
- Replace oil and coolant filters at OEM-specified intervals, and inspect filter housings for damage to ensure proper lubrication and cooling system function.
- Stock critical high-wear parts (seals, bearings, gaskets, piston rings, valve components) at recommended minimum levels to avoid unplanned engine downtime.
- We supply the following spare parts:
| SR.NO | PART NO | DESCRIPTION |
| 1 | 5279970345 | SEAL STRIP |
| 2 | 5240111380 | GASKET |
| 3 | 5240110159 | RING CYL LINER CARBON REMOVAL |
| 4 | 700429018005 | ORING |
| 5 | 700429055001 | ORING |
| 6 | 700429042000 | ORING |
| 7 | 5240114210 | CYLINDER LINER SIZE 0 |
| 8 | 5550110259 | SEALING RING |
| 9 | 5249970020 | CAP SEALING |
| 10 | 5240510110 | BEARING CAMSHAFT STD 50 |
| 11 | X00020254 | STRAINER |
| 12 | 700429070000 | O RING |
| 13 | 5240111480 | GASKET |
| 14 | 23540758 | ELEMENT BREATHER |
| 15 | 23540754 | RETAINER |
| 16 | 700429100001 | O RING |
| 17 | 219976547 | SEAL RING CRANKSHAFT FRONT AUX PTO |
| 18 | 700429290000 | O RING |
| 19 | 5240320258 | CARRIER AUX PTO CRANKSHAFT SEAL |
| 20 | 5360520080 | GASKET |
| 21 | 5241880080 | GASKET |
| 22 | 700429083000 | ORING |
| 23 | 5240332630 | BEARING CRANKSHAFT AUX PTO END |
| 24 | 700429083000 | O RING |
| 25 | X59305200002 | BUSHING |
| 26 | 5241880180 | GASKET |
| 27 | 5240332508 | BEARING THRUST/0-0/UP/RIL/ |
| 28 | 5240333307 | BEARING THRUST/0-0/LO/SPT/ |
| 29 | 5240336101 | BEARING MAIN/0-0/UP/RIL |
| 30 | 5240336602 | BEARING MAIN/0-0/LO/SPT |
| 31 | 219976647 | SEAL RING CRANKSHAFT REAR |
| 32 | 5240311448 | WHEEL DDEC TRS METERING CRANKSHAFT 4000 |
| 33 | 700429180000 | O RING |
| 34 | 700429150000 | O RING |
| 35 | X00008371 | PISTON |
| 36 | 80375819 | TOP COMPR. RING |
| 37 | 120370819 | COMPRESSION RING 2ND |
| 38 | 23526437 | OIL RING ASM |
| 39 | 5240370120 | PISTON PIN |
| 40 | 5240384110 | CONROD BEARING UPPER HALF |
| 41 | X00043218 | BEARING ROD/0-0/LO/SPUT |
| 42 | 5240382550 | BUSHING CANROD |
| 43 | 5240160319 | SEALING RING SIZE 0 |
| 44 | X52404200035 | GASKET FOR CYLINDER HEAD |
| 45 | 5240160153 | TUBE INJECTOR |
| 46 | 5800160033 | PLUGE CUP |
| 47 | 5240531101 | VALVE INTAKE STD FLOATING BRIDGE |
| 48 | 5240530905 | VALVE EXHAUST STD FLOATING BRIDGE 233.3 |
| 49 | 5240530530 | GUIDE CYL HD VALVE |
| 50 | 534335 | ROTATOR VALV |
| 51 | X52405400013 | X52405400013 |
| 52 | 200988045000 | RING SHIM |
| 53 | 5240550550 | BUSHING INTAKE ROCKER |
| 54 | 5240500145 | THRUST MEMBER |
| 55 | X52405500011 | ADJUSTING SCREW |
| 56 | 5240550550 | BUSHING EXAST ROCKER ARM |
| 57 | 5240500145 | THRUST MEMBER |
| 58 | 5240502135 | SWING FOLL. INLET |
| 59 | 5240502235 | SWING FOLL. EXHAUST |
| 60 | 5240550505 | CAM SWING FOLLOWER AXLE |
| 61 | 1270 | BUSHING |
| 62 | 5240550018 | ROLLER |
| 63 | 5240550650 | BUSHING |
| 64 | 5550540174 | PIN |
| 65 | 5240160321 | GASKET VALVE COVER |
| 66 | 23540260 | SEAL RING INJECTOR |
| 67 | 23509483 | WASHER |
| 68 | X52407500021 | INJECTOR |
| 69 | 700429024000 | O RING 16 |
| 70 | 700429036001 | O RING |
| 71 | 5240780524 | PLUG HIGH PRESSURE FUEL RAIL RB REAR |
| 72 | 5240780424 | CONN FUEL RAIL TO HP FUEL LINE |
| 73 | 5269870235 | SEAL STRIP CHARGE AIR COOLER |
| 74 | 5269870235 | SEAL STRIP CHARGE AIR COOLER |
| 75 | 700429140000 | O RING |
| 76 | 5240980680 | GASKET |
| 77 | 5241420580 | GASKET |
| 78 | 1424957 | RING EXH MANIF |
| 79 | 7603014102 | WASHER A COP |
| 80 | 5241840301 | OIL FILTER |
| 81 | 23526690 | VALVE |
| 82 | X52418300026 | CENTRIFUGAL OIL FLTR |
| 83 | (Z=3108A) | VALVE PISTON |
| 84 | 2043797 | COOLANT FILTER |
| 85 | X00008652 | SEAL CARRIER |
| 86 | 700386050002 | SEAL OIL |
Field Failure Repair Case Studies
Case 1: Worn Cylinder Liner & Seal Leakage
An MTU V-16 BR 4000 marine engine experienced combustion gas leakage and oil contamination due to a worn cylinder liner (5240114210) and degraded sealing ring. Installing OEM cylinder liners and matching sealing rings restored combustion integrity, eliminated leakage, and resumed full engine power.
Case 2: Main Bearing Wear Causing Engine Vibration
Excessive crankshaft vibration and noise occurred due to worn main bearings (5240336101/5240336602) in a generator-set engine. Replacing the OEM bearing set and re-aligning the crankshaft eliminated vibration, restored smooth operation, and prevented catastrophic engine damage.
Case 3: Degraded Valve Seal & Rotator Failure
Frequent engine misfires and power loss stemmed from faulty valve rotators (534335) and worn valve guides in an offshore rig engine. Installing OEM valve guides and rotators fixed valvetrain instability, eliminated misfires, and restored consistent engine performance.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts exclusively for the MTU V-16 BR 4000 engine? | Yes, this catalog features OEM parts engineered solely for the MTU V-16 BR 4000 engine, with exact part number matching for perfect drop-in fitment. |
| Do these bearings meet MTU original performance standards? | Absolutely, all main, camshaft, and connecting rod bearings are manufactured to MTU’s strict OEM specifications, designed for heavy-load, long-life operation. |
| Can these parts be used for marine and industrial engine applications? | Yes, these OEM-certified spares are suitable for both marine propulsion and industrial generator-set versions of the MTU V-16 BR 4000 engine. |
This MTU V-16 BR 4000 engine spare parts catalog serves as both a formal procurement benchmark and a hands-on technical troubleshooting reference, designed to eliminate the risks of substandard aftermarket parts that fail prematurely, reduce long-term maintenance expenses, and uphold the safety and operational reliability of your engine system. Every part is a verified OEM-certified component that guarantees perfect fitment, consistent heavy-load performance, and full compliance with MTU original quality, safety, and emissions standards, making it the definitive resource for maintaining MTU V-16 BR 4000 engines.
