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BELT 57-48120Q1
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Description
Belt 57-48120Q1 for Marine Engines
The 57-48120Q1 belt is a power transmission component designed for drive systems in heavy duty marine engines. This belt ensures the reliable transfer of power between pulleys, guaranteeing optimal operation of the engine's auxiliary equipment in professional and recreational nautical applications.
Compatible with a wide range of engines from leading marine brands, this belt has been specified by manufacturers for applications where tear resistance, controlled elasticity and long-term durability are non-negotiable requirements.
Engine Compatibility
Compatible Volvo Engines
| Series | Models |
|---|---|
| MD Series | MD21A, MD21B |
| AQD Series | AQD21A, AQD21B |
Mercury/MerCruiser
| Marca | Modelo | Rango de serie |
|---|---|---|
| MerCruiser | 4.3L (2 BBL.) GM 262 V-6 | 0B773243 THRU 0D714106 |
| MerCruiser | 4.3L (GEN II) (2 BBL.) GM 262 V-6 | 0D714107 THRU 0F000877 / 0F000878 THRU 0F601126 / 0F601127 THRU 0F802999 |
| MerCruiser | 4.3LX (4 BBL.) GM 262 V-6 | 0B775130 THRU 0D714369 |
| MerCruiser | 4.3LX (GEN II) (4 BBL.) GM 262 V-6 | 0D714370 THRU 0F001219 / 0F001220 THRU 0F601126 / 0F601127 THRU 0F802999 |
| MerCruiser | 5.0L (2 BBL.) GM 305 V-8 | 0B774445 THRU 0F600999 |
| MerCruiser | 5.0L MIE (4 BBL.) GM 305 V-8 | 0B522506 THRU 0B788151 |
| MerCruiser | 5.0LX (4 BBL.) GM 305 V-8 | 0B773740 THRU 0F600999 |
| MerCruiser | 5.7L GM 350 V-8 | 0B525982 THRU 0F600999 |
| MerCruiser | 5.7L (2 BBL.) GM 350 V-8 | 0F601000 THRU 0K001526 |
| MerCruiser | 5.7L MIE GM 350 V-8 | 0B788197 THRU 0F024999 |
| MerCruiser | 5.7L ALPHA EFI (TBI) GM 350 V-8 | 0F355305 THRU 0F752389 |
| MerCruiser | 5.7L BRAVO EFI (TBI) GM 350 V-8 | 0F225560 THRU 0F752399 |
| MerCruiser | 5.7L COMPETITION SKI GM 350 V-8 | 0F775200 THRU 0K040003 / 0B514627 THRU 0F775199 |
| MerCruiser | 5.7L EFI (2 BBL.-TBI) GM 350 V-8 | 0F752400 THRU 0K001505 |
| MerCruiser | 5.7L MIE GM 350 V-8 | 0F025000 THRU 0F622099 / 0F622151 THRU 0F746099 / 0F622100 THRU 0F622150 / 0F746100 THRU 0K040306 |
| MerCruiser | 5.7LX (4 BBL) GM 350 V-8 | 0F601000 THRU 0K001526 |
| MerCruiser | 5.7LX BRAVO EFI (GEN+) GM 350 V-8 | 0F800300 THRU 0K001508 |
| MerCruiser | 5.7LX EFI (4 BBL.-TBI) GM 350 V-8 | 0F752400 THRU 0K001505 |
| MerCruiser | 175 (2 BBL.) GM 262 V-6 | 0B527955 THRU 0B773242 |
| MerCruiser | 200 (2 BBL.) GM 305 V-8 | 0B525982 THRU 0B774444 |
| MerCruiser | 205 (4 BBL.) GM 262 V-6 | 0B527955 THRU 0B775129 |
| MerCruiser | 230 (4 BBL.) GM 305 V-8 | 0B525982 THRU 0B773739 |
| MerCruiser | 230 MIE (4 BBL.) GM 305 V-8 | 0B522506 THRU 0B788151 |
| MerCruiser | 260 (4 BBL.) GM 350 V-8 | 0B525982 THRU 0B773739 |
| MerCruiser | 260 MIE GM 350 V-8 | 0B522506 THRU 0B788196 |
| MerCruiser | 350 MAG. (SKI) GM 350 V-8 | 0D505450 THRU 0K040399 |
| MerCruiser | 350 MAG. ALPHA (4 BBL.) GM 350 V-8 | 0F601000 THRU 0K001526 / 0B525982 THRU 0F600999 |
| MerCruiser | 350 MAG. ALPHA EFI(GEN+) GM 350 V-8 | 0F800300 THRU 0K001508 |
| MerCruiser | 350 MAG. BRAVO MPI GM 350 V-8 | 0F415189 THRU 0F601999 |
| MerCruiser | 350 MAG. BRAVO MPI(GEN+) GM 350 V-8 | 0F602000 THRU 0K001500 |
| MerCruiser | 350 MAG. EFI SKI (GEN+) GM 350 V-8 | 0F820707 THRU 0K040005 |
| MerCruiser | 350 MAG. EFI SKI (TBI) GM 350 V-8 | 0F215561 THRU 0F820706 |
| MerCruiser | 350 MAG. MPI SKI GM 350 V-8 | 0F350583 THRU 0F799999 |
Equivalent manufacturer part numbers
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Mercury/MerCruiser | 829207, 48120A1, 48120Q1, (actual), 57-48120A1, 57-48120Q1 |
| Volvo | 829207, 958316, 966920 |
| OMC | 0310953, 0509293, 0909971 |
Technical specifications
The 57-48120Q1 belt comes under various manufacturer designations depending on the marine equipment builder. On Mercury and MerCruiser it appears under the numbers 829207, 48120A1, 48120Q1, 57-48120A1 and 57-48120Q1. In Volvo Penta systems it is referenced as 829207, 958316 and 966920. In OMC/Johnson/Evinrude applications it is identified as 0310953, 0509293 and 0909971, ensuring cross-compatibility between powertrain platforms.
This belt is suitable for MerCruiser engines with a displacement of 4.3L, 5.0L and 5.7L in their different configurations (2 BBL., 4 BBL., MIE, EFI, ALPHA, BRAVO), as well as for the smaller displacement models 175, 200, 205, 230 and 260. Likewise, it is compatible with MAG units in SKI, ALPHA, BRAVO and EFI, covering serial ranges from 0B527955 to 0K040399.
In the Volvo Penta range, the belt equips the MD21A, MD21B, AQD21A and AQD21B series, consolidating its versatility in medium displacement propellers in cruising and recreational applications.
? Related Volvo Penta Spare Parts
If you are maintaining or repairing your Volvo Penta engine, these spare parts may also interest you:
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- Oil Filter 3517857Category: Volvo Penta Petrol Engine Oil Filters
- Volvo Diesel Filter 21492771Category: Volvo Penta Diesel Filters
- Volvo Impeller 3593659 JOH09-1026BCategory: Volvo Penta Diesel Impellers
- Volvo Cooler Zinc Anode 838929 CM838929Category: Volvo Penta Loose Anodes
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