Exhaust Systems - Mercruiser OEM Factory Exhaust Systems

GM V8 BB Exhaust Manifold System Set

Your Price:
$789.99

This Part has options, please click the button below to order.

Stock Mercury OEM Big Block Chevy 454/502 Cast Iron 4" Exhaust Manifold and Riser Kit - 807078T08

525-454

Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 807078T08
2 Gasket-Elbow 27-863724 (2 Slot, Restricted) or 27-863726 (4 Slot, Full Flow), or 27-860321 (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-46820
  • Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #807078T08 and 89011A8 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$699.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 305 / 350 Cast Iron 4" Exhaust Manifold and Riser Kit - 860246A10

525-350

Mercruiser OEM V8 SBC 305/5.0L and 350/5.7L Exhaust Manifold and Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 860246Q11
2 Gasket-Elbow 27-863724 (2 Slot, Restricted) or 27-863726 (4 Slot, Full Flow), or 27-860321 (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 305/350 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #860246A10 and 860246Q11 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,229.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 350 Dry Joint Cast Iron 4" Exhaust Manifold and 7 Degree Riser Kit - 865735A02

525-35007

Mercruiser OEM V8 SBC 350 Dry Joint Exhaust Manifold and 7 Degree Riser Kit w/out Spacer (2002- Early 2005)

Qty Description OEM #
2 Exhaust Elbow 864309T02 (7 Degree)
2 Exhaust Manifold Assy. (with  drain plug) 865735A02
2 Gasket-Elbow (2 Slot, Restricted) or (4 Slot, Full Flow), or (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 350 Dry Joint Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #865735A02 and 864308T01 Manifolds
  • Replaces Mercruiser #864591T02 Risers
  • Fits 2002 - Early 2005 systems with 7 Degree risers. Fits Serial Numbers 0M600000 - OW309999.

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,319.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 350 Dry Joint Cast Iron 4" Exhaust Manifold and Riser Kit - 865735A02

525-35014

Mercruiser OEM V8 SBC 350 Dry Joint Exhaust Manifold and 14 Degree Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 864591T02 (14 Degree)
2 Exhaust Manifold Assy. (with  drain plug) 865735A02
2 Gasket-Elbow (2 Slot, Restricted) or (4 Slot, Full Flow), or (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 350 Dry Joint Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #865735A02 and 864308T01 Manifolds
  • Replaces Mercruiser #864591T02 Risers
  • Fits 2002 and newer 350/377 engines with dry joint exhaust serial 0M317000 and up.
  • Fits 2004 and newer 305, 350 and 377 engines with dry joint exhaust serial 0W310000 and up.

MANIFOLD KIT-EXH Mercruiser 860246Q11
Your Price:
$206.77

MANIFOLD KIT-EXH Mercruiser 860246Q11

525-860246Q11

MANIFOLD KIT-EXH Mercruiser 860246Q11


Exhaust Manifold Mercruiser 807078T08
Your Price:
$275.18

Exhaust Manifold Mercruiser 807078T08

525-807078T08

Exhaust Manifold Mercruiser 807078T08

Port or Starboard, E‑coated, Ideally suited for freshwater applications
Fits: MCM/MIE GM V‑8 (454 & 502 cid) engines (1981 & up)

Supercedes: 807078Q07


Exhaust Manifold Assembly 860246A15
Your Price:
$288.44

Exhaust Manifold Assembly 860246A15

525-860246A15

Mercruiser Exhaust Manifold Assembly 860246A15

Supercedes: 87114A8, 87114A19, 860246A3, 860246A9, 860246A10, 860246A10


Exhaust Manifold Mercruiser 8M0045258
Your Price:
$113.56

Exhaust Manifold Mercruiser 8M0045258

525-8M0045258

Exhaust Manifold Mercruiser 8M0045258

Fits: MCM/MIE 496 Mag & 8.1S EC engines, also MCM 8.2L Mag EC & 8.2L MIE EC engines


Exhaust Manifold Mercruiser 866178T01
Your Price:
$551.38

Exhaust Manifold Mercruiser 866178T01

525-866178T01

Exhaust Manifold Mercruiser 866178T01

Cast iron exhaust manifolds w/o water rail, Port or Starboard
Fits: MCM/MIE 8.1L & 8.2L non‑EC engines

Supercedes: 863127T1, 863127T02


Exhaust Manifold Mercruiser 866178A02
Your Price:
$623.12

Exhaust Manifold Mercruiser 866178A02

525-866178A02

Exhaust Manifold Mercruiser 866178A02

Exhaust conversion kit to convert exhaust manifolds with water rails to the newer style cast iron exhaust manifolds w/o water rails
Fits: MCM/MIE 496 Mag & 8.1S engines

Supercedes: 863120T2, 863120T03


Exhaust Manifold Mercruiser 807078T10
Your Price:
$449.93

Exhaust Manifold Mercruiser 807078T10

525-807078T10

Exhaust Manifold Mercruiser 807078T10

Port or Starboard, hot dipped & powder painted. Recommended for saltwater applications.
Fits: MCM/MIE GM V‑8 (454 & 502 cid) engines (1981 & up)

Supercedes: 89011A8, 807078A2, 807078A4, 807078A6, 807078T09, 807078T09


Exhaust Manifold - Starboard 8M0103773
Your Price:
$545.98

Exhaust Manifold - Starboard 8M0103773

525-8M0103773

Mercruiser Exhaust Manifold - Starboard 8M0103773

Fits: 2008 and newer MCM/MIE GM V‑8 (305, 350 & 377 cid) EC engines

Superseded From: 525-879288A01


EXHAUST MANIFOLDS 8M0066812
Your Price:
$1,047.92

EXHAUST MANIFOLDS 8M0066812

525-8M0066812

EXHAUST MANIFOLDS Mercruiser 8M0066812


EXHAUST MANIFOLD 8M0070517
Your Price:
$1,020.60

EXHAUST MANIFOLD 8M0070517

525-8M0070517

EXHAUST MANIFOLD Mercruiser 8M0070517


EXHAUST MANIFOLD 8M0064986
Your Price:
$362.03

EXHAUST MANIFOLD 8M0064986

525-8M0064986

EXHAUST MANIFOLD Mercruiser 8M0064986

Supercedes: 8M0057655


EXHAUST MANIFOLD 8M0058664
Your Price:
$2,102.61

EXHAUST MANIFOLD 8M0058664

525-8M0058664

EXHAUST MANIFOLD Mercruiser 8M0058664


EXHAUST MANIFOLD 8M0058663
Your Price:
$2,109.23

EXHAUST MANIFOLD 8M0058663

525-8M0058663

EXHAUST MANIFOLD Mercruiser 8M0058663


Exhaust Elbow Assembly 807988A03
Your Price:
$247.42

Exhaust Elbow Assembly 807988A03

525-807988A03

Mercruiser Exhaust Elbow Assembly 807988A03

Supercedes: 44354A10, 44354A13, 807988A2, 807988A2


ELBOW ASY-EXHAUST Mercruiser 807988Q03
Your Price:
$166.05

ELBOW ASY-EXHAUST Mercruiser 807988Q03

525-807988Q03

ELBOW ASY-EXHAUST Mercruiser 807988Q03


ELBOW-EXHAUST Mercruiser 864591T02
Your Price:
$359.93

Exhaust Elbow Assembly 864591T02

525-864591T02

Mercruiser Exhaust Elbow Assembly 864591T02