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O RING Mercruiser 25-627021 

# 525-25-627021
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O RING Mercruiser 25-627021

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NOTICE: Any images shown are representational ONLY and do not necessarily depict the actual part or included items in a particular part or kit. Mercury has been known to remove items depicted in product images such as screws or gaskets from kits they make without notification. For any product content, fitment or application questions on this part please call Mercury Product Support at 920-929-5040.
MSRP: $1.60
Your Price: $1.60
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NOTE: This Item is a Non-Stocked, Special Order, OEM Mercury Part.
ALL OEM Mercury parts may take up to 7-10 days to ship. All OEM Mercury parts are NON-RETURNABLE! Orders placed on all OEM Mercury parts are NON-REFUNDABLE! Please contact us with the part number and we can assist you with more accurate delivery time estimate.
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Additonal Info On This Product:

Applications Where This Item Is Used:

250XS / 250 SPORTXS DFI (3.0L) - 250XS (3.0L DFI)5.0, 350, 377 MAG MPI STERNDRIVE EC - 350 MAG MPI HORIZON ALPHA/BRAVO EC
5.7/6.2L MPI INBOARD EC - 6.2L MPI MIE EC210 CARB M2 JET DRIVE - 210 CARB M2 JET DRIVE (POWERHEAD)
75/90/115 DFI 1.5L (3 CYLINDER) - 115 DFI (3 CYL.)(1.5L)210 CARB M2 JET DRIVE - 210 CARB M2 JET DRIVE (PUMP)
350 MAG MX 6.2L MPI INBOARD - MX 6.2L MPI HORIZON MIE40/50/60/JET 40 EFI - 4 CYLINDER 4-STROKE - 40 EFI (4 CYL.)(4-STROKE)(JET)
BLACK SCORPION - BLACK SCORPION MX 6.2L MPIBRAVO-I XR/XZ STERNDRIVE AND TRANSOM ASSEMBLY - BRAVO XR SPORTMASTER
300XS (3.2L) - 300XS (3.2L DFI)5.0L, 350, 377 MAG MPI STERNDRIVE EC - 5.0L MPI ALPHA/BRAVO EC
4.3L MPI ALPHA/BRAVO( 262 C.I.D. MULTI PORT INJECTION ) - 4.3L MPI ALPHA/BRAVO350 MAG MPI MX 6.2L MPI INBOARD - MX 6.2L MPI HORIZON MIE
115/135/150 DFI (2.5L) - V-135 DFI (2.5L)30/40 EFI 4-STROKE (3 CYLINDER) - 40 EFI (3 CYL.)(4-STROKE)
115 PRO XS 1.5L - 3 CYLINDER - 115 Pro XS (3 CYL.)(1.5L)300X EFI (3.0L) - 300X (3.0L EFI) PRO MAX
225 PRO XS (3.0L) DFI - 225 PRO XS (3.0L DFI)3.0L ALPHA ONE - 3.0L GM 181 I/L4
JP5 3.0L DFI - JP 3.0L DFI8.2L MAG / 8.2L MAG HO - 8.2L Mag (H.O. Model)
BRAVO-I XR/XZ STERNDRIVE AND TRANSOM ASSEMBLY - BRAVO XR ONERACE 1100 QC4V - 1100 QC4V
5.7L MPI SKI - 5.7L MPI SKI40/50/60/JET 40 EFI - 4 CYLINDER 4-STROKE - 60 EFI (4 CYL.)(4-STROKE)
VAZER - VAZER DRIVE200/250/300 PRO 4-STROKE VERADO (6 CYLINDER) - 200 PRO VERADO (4-STROKE)(6 CYL.)
BRAVO-I XR/XZ STERNDRIVE AND TRANSOM ASSEMBLY - BRAVO XZ ONEBRAVO I/II/III STERNDRIVE AND TRANSOM ASSEMBLY - BRAVO TWO
525 EFI - 525 EFI200/225 DFI (3.0L) - 225 (DFI)
8.1L INBOARD - 8.1L INBOARD (Base)VAZER - VAZER TRANSOM
BRAVO I - II - III - BRAVO ONE200/225 (3.0L)(MECHANICAL) - 225 (DFI) 3.0L
SCORPION 350 EC / 377 HO EC - SCORPION 377 HO ECBRAVO X (I-II-III) - BRAVO X ONE
350 MAG MPI MX 6.2L MPI INBOARD - 350 MAG MPI HORIZON MIESTEERING SYSTEMS AND COMPONENTS - Steering Systems and Components
350 MAG MX 6.2L MPI INBOARD - 350 MAG MPI HORIZON MIE520 HP - 520
75/90/115 DFI - 90 DFI (3 CYL.)(1.5L)5.0, 350, 377 MAG MPI STERNDRIVE - 5.0L MPI ALPHA/BRAVO
240 EFI AND 240 EFI M2 JET DRIVE - 240 EFI M2 JET DRIVE (PUMP)40 CARB 4-STROKE (3 CYLINDER) - 40 CARB (3 CYL.)(4-STROKE)
600 SCI - 600 SCi350 MAG MX 6.2L MPI SKI - MX 6.2L MPI SKI
200 DFI M2 JET DRIVE - 200 DFI M2 JET DRIVE (PUMP)150/175/200 EFI (2.5L) - V-150 EFI (2.5L)
5.0, 350, 377 MAG MPI STERNDRIVE EC - 377 MAG MPI BRAVO EC3.0L MPI EC - 3.0L MPI EC
200/250/300 PRO VERADO (4-STROKE)(6 CYLINDER) - 200 PRO VERADO (4-Stroke)(6 CYL.)250 SPORTXS DFI (3.0L) - 250 Sport XS
210 CARB JET DRIVE - 210 CARB JET DRIVE (POWERHEAD)383 MAG STROKER INBOARD - REMAN - 383 MAG STROKER INBOARD
200XS DFI (2.5L) - 200XS DFI (2.5L)40/50/60 (4 CYLINDER) CARB 4-STROKE - 60 (4-STROKE)(4 CYL.)
350/350 PRO/400R VERADO (4-STROKE)(6 CYLINDER) - 350 PRO VERADO (4-Stroke)(6 CYL.)200/225/250/275/300 VERADO (4-STROKE)(6 CYLINDER) - 200 VERADO (4-STROKE)(6 CYL.)
SCORPION 350/377 - SCORPION 350BRAVO X (I-II-III) - BRAVO X TWO
SCORPION 350 EC / 377 HO EC - SCORPION 350 EC250XS / 250 SPORTXS DFI (3.0L) - 250 Sport XS
BRAVO XR I - III SPORT MASTER - BRAVO XR ONE75/90/115 DFI 1.5L (3 CYLINDER) - 80 Jet (3 CYL.)(1.5L)
BRAVO I/II/III STERNDRIVE AND TRANSOM ASSEMBLY - BRAVO THREEALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1996-1997
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 250 (3.0L EFI)5.7L MPI TOWSPORT WITH GEN III - 5.7L MPI TOWSPORT WITH GEN III
662/700 SCI - 662 SCi4.5L MPI ALPHA/BRAVO - 4.5L MPI 250 Alpha/Bravo EC
5.0L, 350, 377 MAG MPI STERNDRIVE - 377 MAG MPI BRAVO200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 225 (DFI) 3.0L
75/90/115 DFI - 115 DFI (3 CYL.)(1.5L)5.0L, 350, 377 MAG MPI STERNDRIVE EC - 350 MAG MPI HORIZON ALPHA/BRAVO EC
75/90/115/125 DFI 1.5L (3 CYLINDER) - 125 DFI (3 CYL.)(1.5L)JP 3.0L DFI - JP 3.0L DFI
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI MARATHON200/225/250/275/300 4-STROKE VERADO (6 CYLINDER) - 200 VERADO (4-STROKE)(6 CYL.)
MPI STERNDRIVE - MX 6.2L MPI HORIZON BRAVO200/225 DFI (3.0L) - 225 (DFI) 3.0L
SCORPION 350/377 - SCORPION 377540 STROKER 4V - 540 Stroker 4V
ALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1998 AND UPFORMULA 60 - 4 CYLINDER 4-STROKE - Formula 60
5.0L, 350, 377 MAG MPI STERNDRIVE EC - 377 MAG MPI BRAVO EC662 SCI - 662 SCi
40 EFI (3 CYLINDER) 4-STROKE - 40 EFI (3 CYL.)(4-STROKE)25 (4-STROKE) - 25 (4-STROKE)
225XS / 225 SPORT XS DFI (3.0L) - 225 SPORT XS225/250 PRO XS (3.0L) - 250 PRO XS (3.0L DFI)
250 PRO XS (3.0L) - 250 PRO XS (3.0L DFI)5.0L,350 MAG,MX 6.2L MPI STERNDRIVE - 350 MAG MPI HORIZON ALPHA/BRAVO
8.1L TOWSPORT MPI - 8.1L TOWSPORT (Base)200/225 (3.0L DFI) - 225 (DFI)
5.7/6.2L MPI INBOARD - 6.2L MPI HORIZON MIEBRAVO XR I - III SPORT MASTER - HI PERFORMANCE TRANSOM
BLACK SCORPION - BLACK SCORPION 350 MAG MPI40/50/60 EFI (4 CYLINDER) 4-STROKE - 60 EFI (4 CYL.)(4-STROKE)
5.0, 350, 377 MAG MPI STERNDRIVE - 377 MAG MPI BRAVO5.7L MPI SKI EC - 5.7L SKI EC
135/150/175 DFI (2.5L) - V-175 DFI (2.5L)250XS DFI (3.0L) - 250XS (3.0L DFI)
5.0L, 350, 377 MAG MPI STERNDRIVE - 350 MAG MPI ALPHA/BRAVO700 SCI - 700 SCi
5.0L,350 MAG,MX 6.2L MPI STERNDRIVE - MX 6.2L MPI HORIZON BRAVO8.1L PLUS SERIES - 8.1L INBOARD (Inline)
5.0, 350, 377 MAG MPI STERNDRIVE EC - 5.0L MPI ALPHA/BRAVO EC8.1L PLUS SERIES - 8.1L INBOARD (V-Drive)
MPI STERNDRIVE - 350 MAG MPI HORIZON ALPHA/BRAVO5.0L,350 MAG,MX 6.2L MPI STERNDRIVE - 5.0L MPI ALPHA/BRAVO
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 200 (3.0L EFI)200 DFI JET DRIVE - 200 DFI JET DRIVE (POWERHEAD)
200 DFI JET DRIVE - 200 DFI JET DRIVE (PUMP)BRAVO XR I - III SPORT MASTER - BRAVO XR THREE
200/225 DFI (3.0L)(DTS) - 225 (3.0L-DFI)(DTS)5.0, 350, 377 MAG MPI STERNDRIVE - 350 MAG MPI ALPHA/BRAVO
662/700 SCI - 700 SCi5.0L, 350, 377 MAG MPI STERNDRIVE - 5.0L MPI ALPHA/BRAVO
BRAVO-I XR/XZ STERNDRIVE AND TRANSOM ASSEMBLY - INTEGRATED TRANSOM8.1L INBOARD - 8.1L INBOARD (H.O.)
225X EFI PROMAX - 225X EFI PROMAX200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI SEAPRO
ZEUS - ZEUS 30005.7/6.2L MPI INBOARD - 5.7L MPI HORIZON MIE
BRAVO XR I - III SPORT MASTER - BRAVO XR SPORTMASTER200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 200 PRO XS (DFI) 3.0L
150/200 EFI (2.5L) - V-150 EFI (2.5L)75/90/115/125 DFI 1.5L (3 CYLINDER) - 80 Jet (3 CYL.)(1.5L)
4.3L MPI ALPHA/BRAVO EC - 4.3L MPI ALPHA/BRAVO EC30/40 CARB 4-STROKE (3 CYLINDER) - 30 (4-STROKE)
350/350 PRO/400R VERADO (4-STROKE)(6 CYLINDER) - 400 VERADO (4-Stroke)(6 CYL.)4.3L MPI ALPHA/BRAVO - 4.3L MPI ALPHA/BRAVO
350 MAG (MPI)SKI - 350 MAG MPI SKI200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 250 (DFI) 3.0L
BRAVO I/II/III STERNDRIVE AND TRANSOM ASSEMBLY - BRAVO ONE100 VAZER - 100 VAZER
200/250/300 PRO 4-STROKE VERADO (6 CYLINDER) - 300 PRO VERADO (4-STROKE)(6 CYL.)350 MAG MX 6.2L MPI SKI - 350 MAG MPI SKI
5.0L, 350, 377 MAG MPI STERNDRIVE EC - 350 MAG MPI ALPHA/BRAVO EC496 MAG STERNDRIVE - 496 MAG (Base Model)
BRAVO I - II - III - BRAVO THREEBRAVO XR I - III SPORT MASTER - INTEGRATED TRANSOM
200 OPTIMAX V6 DFI - 200 PRO XS (DFI) 3.0L3.0L TKS ALPHA PLUS SERIES - 3.0L TKS Plus
PARTS MANUAL 300X (3.0L EFI) PRO MAX - 300X (3.0L EFI) PRO MAX5.7/6.2L MPI INBOARD EC - 5.7L MPI MIE EC
VAZER 100 EC - 100 VAZER EC225 SPORT XS DFI (3.0L) - 225 SPORT XS (3L)
496 H.O. PLUS SERIES - 496 H.O. BRAVO30/40 CARB 4-STROKE (3 CYLINDER) - 30 Carb (3 CYL.)(4-STROKE)
200 DFI M2 JET DRIVE - 200 DFI M2 JET DRIVE (POWERHEAD)BRAVO X (I-II-III) - BRAVO X THREE
496 MAG STERNDRIVE - 496 MAG (H.O. Model)MPI STERNDRIVE - 5.0L MPI ALPHA/BRAVO
30/40 EFI 4-STROKE (3 CYLINDER) - 30 EFI (3 CYL.)(4-STROKE)BRAVO I - II - III - BRAVO TWO
210 CARB JET DRIVE - 210 CARB JET DRIVE (PUMP)8.2L MAG / 8.2L MAG HO - 8.2L Mag (Base Model)
240 EFI AND 240 EFI M2 JET DRIVE - 240 EFI JET DRIVE (POWERHEAD)240 EFI AND 240 EFI M2 JET DRIVE - 240 EFI JET DRIVE (POWERHEAD)
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