Logo

Parts for MerCruiser Race Engine and Drive 525 EFI Exhaust Header / Tailpipe Assembly

#1 843404T01 HEADER KIT, Exhaust (1 required per assembly) - Port
843404T01 - HEADER KIT Exhaus O - Replaced by -843934A01
 

This part has been superseded.

843404T01 - 843404T01 - HEADER KIT Exhaus O [ More info ]
Unavailable
Replaced by -843934A01
843934A01 - HEADER KIT Exhaus O - Replaced by -843934T02
843934A01

This part has been superseded.

843934A01 - 843934A01 - HEADER KIT Exhaus O [ More info ]
Unavailable
Replaced by -843934T02
843934T02 - HEADER KIT Exhaus O - Replaced by -843934T03
 

This part has been superseded.

843934T02 - 843934T02 - HEADER KIT Exhaus O [ More info ]
Unavailable
Replaced by -843934T03
843934T03 - REF MR SB 2010-01 O NLA
843934T03

About Mercury Marine

OEM Part

843934T03 - REF MR SB 2010-01 O NLA [ More info ]
Unavailable
#1 843405T01 HEADER KIT, Exhaust (1 required per assembly) - Starboard
843405T01 - HEADER KIT Exhaus O - Replaced by -843933A01
 

This part has been superseded.

843405T01 - 843405T01 - HEADER KIT Exhaus O [ More info ]
Unavailable
Replaced by -843933A01
843933A01 - HEADER KIT Exhaus O - Replaced by -843933T02
843933A01

This part has been superseded.

843933A01 - 843933A01 - HEADER KIT Exhaus O [ More info ]
Unavailable
Replaced by -843933T02
843933T02 - HEADER KIT Exhaus O - Replaced by -843933T03
 

This part has been superseded.

843933T02 - 843933T02 - HEADER KIT Exhaus O [ More info ]
Unavailable
Replaced by -843933T03
843933T03 - REF MR SB2010-01  O NLA
843933T03

About Mercury Marine

OEM Part

843933T03 - REF MR SB2010-01 O NLA [ More info ]
Unavailable
#2 27-840940 GASKET, Exhaust Header (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-840940
27-840940

About Mercury Marine

OEM Part

27-840940 - Gasket - Priced Individually [ More info ]

Add to shopping cart $28.35
Available to order: Usually ships within 8 days. Explain stock levels

#3 10-821131 SCREW, (.375-16 x 1.00) (16 required per assembly)
SCREW (.375-16 x 1.00) 10-821131
10-821131

About Mercury Marine

OEM Part

10-821131 - Screw - Priced Individually [ More info ]

Add to shopping cart $6.30
Available to order: Usually ships within 8 days. Explain stock levels

#4 22-806926A 1 ELBOW KIT, Drain (2 required per assembly)
22862210A01 22-806926A 1
22-806926A 1

About Mercury Marine

OEM Part

22-806926A 1 - Elbow Kit [ More info ]

Add to shopping cart $8.00
4 in stock. Explain stock levels

ELBOW KIT Drain 22-862210A01
22-862210A01

About Mercury Marine

OEM Part

22-862210A01 - Elbow Kit [ More info ]

Add to shopping cart $25.50 $21.84
Available to order: Usually ships within 8 days. Explain stock levels

Drain Elbow Assy.
18-4224

About Sierra Marine

OEM Match

18-4224 - Drain Elbow 22-806926A1 [ More info ]

Add to shopping cart $8.49 $7.04
10+ in stock. Explain stock levels

#7 843384A 1 TAILPIPE ASSEMBLY, Port (1 required per assembly) - Bravo Models
843384A 1 - TAILPIPE ASSEMBLY O NLA
843384A 1

About Mercury Marine

OEM Part

843384A 1 - TAILPIPE ASSEMBLY O NLA [ More info ]
Unavailable
#7 843384A 2 TAILPIPE ASSEMBLY, Starboard (1 required per assembly) - Bravo Models
TAILPIPE ASSEMBLY Starb 843384A 2
 

About Mercury Marine

OEM Part

843384A 2 - Tailpipe Assembly - Stbd [ More info ]

Add to shopping cart $732.59
Available to order: Usually ships within 8 days. Explain stock levels

#8 54-18076 3 CLAMP, Worm Gear (4 required per assembly)
CLAMP Worm Gear 54-18076  3
 

About Mercury Marine

OEM Part

54-18076 3 - Clamp [ More info ]

Add to shopping cart $9.70
4 in stock. Explain stock levels

#9 32-842418 1 HOSE, Molded (2 required per assembly)
HOSE Molded 32-842418  1
32-842418  1

About Mercury Marine

OEM Part

32-842418 1 - Molded Hose [ More info ]

Add to shopping cart $22.50 $19.26
2 in stock. Explain stock levels

#10 27-842454 GASKET, Tailpipe (2 required per assembly)
GASKET 27-842454
27-842454

About Mercury Marine

OEM Part

27-842454 - Gasket [ More info ]

Add to shopping cart $19.45
Available to order: Usually ships within 8 days. Explain stock levels

#11 11-842458 NUT, (.250-20) (2 required per assembly)
11-842458 - NUT (.250-20)     O - Replaced by 11-826711 10
 

This part has been superseded.

11-842458 - 11-842458 - NUT (.250-20) O [ More info ]
Unavailable
Replaced by 11-826711 10
NUT (.312-18) 11-826711 10
 

About Mercury Marine

OEM Part

1182671110 - Nut .312-18 [ More info ]

Add to shopping cart $2.50
Available to order: Usually ships within 8 days. Explain stock levels

#12 54-842456 CLAMP, Band (2 required per assembly)
54-842456 - CLAMP Band        O - Replaced by 54-8M0051201
 

This part has been superseded.

54-842456 - 54-842456 - CLAMP Band O [ More info ]
Unavailable
Replaced by 54-8M0051201
CLAMP Band 54-8M0051201
 

About Mercury Marine

OEM Part

548M0051201 - Clamp-BAND [ More info ]

Add to shopping cart $80.06
Available to order: Usually ships within 8 days. Explain stock levels

#13 10-842457 T BOLT, (.250-20) (2 required per assembly)
T BOLT (.250-20) 10-842457
10-842457

About Mercury Marine

OEM Part

10-842457 - T Bolt [ More info ]

Add to shopping cart $16.14
Available to order: Usually ships within 8 days. Explain stock levels

#14 22-842453389 FITTING, Restrictor (.389) (1 required per assembly)
FITTING Restrictor (.38 22-842453389
 

About Mercury Marine

OEM Part

22-842453389 - Fitting [ More info ]

Add to shopping cart $38.15
Available to order: Usually ships within 8 days. Explain stock levels

#15 22-842453192 FITTING, Restrictor (.192) (1 required per assembly)
FITTING Restrictor (.19 22-842453192
 

About Mercury Marine

OEM Part

22-842453192 - Fitting [ More info ]

Add to shopping cart $38.15
Available to order: Usually ships within 8 days. Explain stock levels

#16 22-842453406 FITTING, Restrictor (.406) (1 required per assembly)
FITTING Restrictor (.40 22-842453406
 

About Mercury Marine

OEM Part

22-842453406 - Fitting [ More info ]

Add to shopping cart $38.15
Available to order: Usually ships within 8 days. Explain stock levels

#17 22-842453201 FITTING, Restrictor (.201) (1 required per assembly)
FITTING Restrictor (.20 22-842453201
 

About Mercury Marine

OEM Part

22-842453201 - Fitting [ More info ]

Add to shopping cart $38.15
Available to order: Usually ships within 8 days. Explain stock levels

#18 54-18076 4 CLAMP, Worm Gear (4 required per assembly)
CLAMP Worm Gear 54-18076  4
 

About Mercury Marine

OEM Part

54-18076 4 - Clamp [ More info ]

Add to shopping cart $6.25
Available to order: Usually ships within 8 days. Explain stock levels

#19 32-849939001 HOSE, Molded, Header To Tailpipe (2 required per assembly)
32-849939001 - HOSE Molded       O - Replaced by 32-842754
 

This part has been superseded.

32-849939001 - 32-849939001 - HOSE Molded O [ More info ]
Unavailable
Replaced by 32-842754
HOSE Molded 32-842754
32-842754

About Mercury Marine

OEM Part

32-842754 - Molded Hose [ More info ]

Add to shopping cart $27.11
Available to order: Usually ships within 8 days. Explain stock levels

#20 22-806608A 1 PLUG KIT, (.500-13) Royal Blue (2 required per assembly)
22-806608A 1 - PLUG KIT (.500-13 O - Replaced by 22-806608A02
22-806608A 1

This part has been superseded.

22-806608A 1 - 22-806608A 1 - PLUG KIT (.500-13 O [ More info ]
Unavailable
Replaced by 22-806608A02
22-806608A02 - PLUG ASSEMBLY (.5  - Replaced by 22-8M0119211
22-806608A02

This part has been superseded.

22-806608A02 - 22-806608A02 - PLUG ASSEMBLY (.5 [ More info ]
Unavailable
Replaced by 22-8M0119211
PLUG ASSEMBLY (.500-13) 22-8M0119211
 

About Mercury Marine

OEM Part

22-8M0119211 - Plug Assembly (.500-13) [ More info ]

Add to shopping cart $7.00
1 in stock. Explain stock levels

DRAIN PLUG
18-4226

About Sierra Marine

OEM Match

18-4226 - Blue Drain Plug, 22-806608A1 [ More info ]

Add to shopping cart $3.99 $3.10
10+ in stock. Explain stock levels

PLUG KIT Note: must be ordered in multiples of 2   22806608Q01
22806608Q01

About Mercury Marine

OEM Part

22-806608Q01 - Plug Kit - Priced Individually [ More info ]

Add to shopping cart $7.00
Available to order: Usually ships within 8 days. Explain stock levels

#21 25-831985 O-RING, (.468 x .078) (2 required per assembly)
O-RING (.468 x .078) 25-831985
 

About Mercury Marine

OEM Part

25-831985 - O-Ring [ More info ]

Add to shopping cart $3.80
Available to order: Usually ships within 8 days. Explain stock levels

#22 861776A 2 PLATE KIT (1 required per assembly)
PLATE KIT 861776A 2
861776A 2

About Mercury Marine

OEM Part

861776A 2 - Exhaust Plate Kit [ More info ]

Add to shopping cart $68.66
5 in stock. Explain stock levels

#23 13-41471 LOCKWASHER, (.375) (4 required per assembly)
LOCKWASHER (.375) 13-41471
 

About Mercury Marine

OEM Part

13-41471 - LockWasher [ More info ]

Add to shopping cart $1.40
Available to order: Usually ships within 8 days. Explain stock levels

#24 10-98794 SCREW, (.375-16 x 1.00) (4 required per assembly)
108M0113180 10-98794
10-98794

About Mercury Marine

OEM Part

10-98794 - Screw [ More info ]

Add to shopping cart $3.20
Available to order: Usually ships within 8 days. Explain stock levels

Screw  Upper Drive Cap
18-3231

About Sierra Marine

OEM Match

18-3231 - Bolt, 10-98794 [ More info ]

Add to shopping cart $2.99 $2.54
4 in stock. Explain stock levels

#- 27-843073A03 GASKET/SEAL SET, Engine Overhaul (1 required per assembly) - NOTE: See Gasket/Seal Set - Engine Overhaul Section For Complete Parts Listing
27-843073A03 - GASKET/SEAL SET E O - Replaced by 27-843073A06
 

This part has been superseded.

27-843073A03 - 27-843073A03 - GASKET/SEAL SET E O [ More info ]
Unavailable
Replaced by 27-843073A06
GASKET/SEAL SET Engine 27-843073A06
27-843073A06

About Mercury Marine

OEM Part

27-843073A06 - Gasket/Seal Set [ More info ]

Add to shopping cart $951.21
Available to order: Usually ships within 8 days. Explain stock levels

#- 841178A 1 PARTIAL ENGINE ASSEMBLY (1 required per assembly)
PARTIAL ENGINE ASSEMBLY 841178A 1
 

About Mercury Marine

OEM Part

841178A 1 - Partial - 525 Efi [ More info ]

Add to shopping cart $17,186.38
Available to order: Usually ships within 8 days. Explain stock levels