Sierra / Mallory

Additional Details:

• Fits: Most early Model 120hp Mercruiser applications

Use With:

• 18-8508: Exhaust Manifold Mounting Kit
• 18-2819-1: Exhaust Elbow Gasket

Interchanges/Replaces

Barr

• MC-20-55538

Mallory

• 9-40553

Mercruiser Stern Drive

• 39920
• 39920A1
• 55538A2

Osco

• 5538

Key Features:

• Comes with 18-0897 gasket and brass plugs

Additional Details:

• Fits: V-6 & V-8 applications 0° (3" O.D. Riser)

Use With:

• 18-0672: Exhaust Elbow Gasket
• 18-0897: Exhaust Elbow Gasket
• 18-2849-1: Exhaust Elbow Gasket
• 18-8529: Exhaust Elbow Mounting Kit
• 18-1953-2: Manifold
• 18-8554: Exhaust Elbow Mounting Kit
• 18-1957-2: Manifold

Interchanges/Replaces

Barr

• MC-20-98502

GLM

• 51192

Mallory

• 9-40554

Mercruiser Stern Drive

• 98502A2

Osco

• 8502

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0897	Barr MC 20 99208 MC47-27-41813 GLM 30240 Mallory 9-61413 Mercruiser Stern Drive 27-41813 27-860233 27-863724 Osco 8503-GR	1	Exhaust Elbow Gasket		N/A

Additional Details:

• Fits: Most 140hp 3.0L (181 CID)

Use With:

• 18-1901: Manifold
• 18-2875-1: Exhaust Elbow Gasket

Interchanges/Replaces

GLM

• 51340

Mallory

• 9-40611

OMC Stern Drive

• 0740120
• 3850799
• 910380
• 916096
• 987784

Osco

• 188
• 9863T

Volvo Penta

• 3850799

Key Features:

• 3" Outlet

Additional Details:

• For: Crusader GM Small Block V8 305-350cu.in. (Models 220 & 270)
• For: Crusader GM Big Block V8 454cu.in (Models CH350 and 454XL)

Use With:

• 18-1916: Riser
• 18-1925: Manifold
• 18-1926: Manifold
• 18-1927: Riser
• 18-1929: Manifold
• 18-1933: Manifold
• 18-8515: Exhaust Manifold Mounting Kit
• 18-0309-1: Exhaust Elbow Gasket

Interchanges/Replaces

Barr

• CR 20 98068

Crusader

• 98068

Mallory

• 9-40417

Osco

• 8068

Additional Details:

• Fits: Chrysler Model 273, 318, 340 & 360 CID engines (1966-1986)

Use With:

• 18-1940: Manifold
• 18-2941: End Cap Gasket (Open)
• 18-4360: Exhaust Elbow Mounting Package
• 18-4361: Exhaust Elbow Mounting Package (Open)
• 18-8506: Exhaust Elbow Mounting Kit
• 18-2941-9: End Cap Gasket (Priced Per Pkg of 2)
• 18-0472-1: Exhaust Elbow Gasket
• 18-1945: Riser

Interchanges/Replaces

Barr

• CM-20-6672

Chrysler Inboard

• 3527794

Mallory

• 9-40313

Osco

• 794

Additional Details:

• Material: Plastic

Interchanges/Replaces

GLM

• 10561

Johnson/Evinrude Outboard

• 321886

Key Features:

• 30°

Additional Details:

• For: 3" (76.2mm) I.D. Exhaust Hose

Use With:

• 18-1999: Manifold Elbow

Interchanges/Replaces

Barr

• 200089P

Key Features:

• 80°

Additional Details:

• For: 3" (76.2mm) I.D. Exhaust Hose

Interchanges/Replaces

Barr

• 200087P

Mallory

• 9-40120

Additional Details:

• Degree: 90
• Size:: 1" NPT x 1 1/2" hose barb
• For: Crusader GM Small Block V8 305-350 cu.in. (Models 220, 270, CM305, CM350XL, CM350HT)
• For: Crusader GM Big Block V8 454 cu.in (Models; 454XL 502XL, CH350)

Use With:

• 18-1898: Manifold
• 18-1925: Manifold
• 18-1926: Manifold
• 18-1929: Manifold
• 18-1933: Manifold
• 18-1982: Manifold
• 18-1997-1: Manifold
• 18-1998-1: Manifold

Interchanges/Replaces

Crusader

• 97296
• 97854

GLM

• 13950

Mallory

• 9-40418

Osco

• 7854

Additional Details:

• PSI: 8
• GPM: 25

Interchanges/Replaces

Mallory

• 9-35428
• 9-35429

Mercruiser Stern Drive

• 805025A2
• 805656A2
• 805656A5
• 805656A6
• 861155A5
• 861155A6

OMC Stern Drive

• 3850809
• 3850817
• 3854620
• 3857986
• 3858261
• 987454
• 987702

Volvo Penta

• 3850809
• 3854620
• 3857986
• 3858261

Additional Details:

• PSI: 120

Interchanges/Replaces

Mallory

• 9-35430

OMC Stern Drive

• 3854280
• 3855958
• 3857650
• 987620
• 988037

Volvo Penta

• 3854280
• 3855958
• 3857650
• 988037

Additional Details:

• PSI: 8
• GPM: 45

Interchanges/Replaces

Mallory

• 9-35431

OMC Stern Drive

• 3850810
• 3854902
• 3857985
• 3858714

Volvo Penta

• 3850810
• 3857985
• 3858714

Key Features:

• For use with gasoline and diesel fuel

Additional Details:

• GPH: 72
• PSI: 5.75
• Size: 1/4" NPSF for 3/8" (9.5mm) Hose
• Volts: 12

Interchanges/Replaces

Mallory

• 9-35434

Key Features:

• Operates with both gasoline and diesel fuel

Additional Details:

• GPH: 43
• PSI Max: 7
• Size: 1/4" NPSF for 3/8" (9.5mm) Hose
• Volts: 24 Only

Interchanges/Replaces

GLM

• 27931

Mallory

• 9-72140

OMC Stern Drive

• 379628

Additional Details:

• Fits: Nissan/Tohatsu 25 & 30 HP
• Fits: Mercury 30 HP

Key Features:

• Replaces points & condensers for true solid state ignition
• Uses standard coil, cap & rotor
• Easy to install, one-piece, 2-wire hook-up
• Accurate to within 1/4° timing accuracy 0 to 6000 RPM range

Additional Details:

• Fits: 4 cylinder GM

Use With:

• 18-5466: Hi-Performance Ignition Coil
• 18-5469: Hi-Performance Ignition Coil

Interchanges/Replaces

GLM

• 72510

Mallory

• 9-26900

Key Features:

• Replaces points & condensers for true solid state ignition
• Uses standard coil, cap & rotor
• Easy to install, one-piece, 2-wire hook-up
• Accurate to within 1/4° timing accuracy 0 to 6000 RPM range

Additional Details:

• Fits: 6 cylinder Delco distributors
• Resistance: 3.0 Ohms

Use With:

• 18-5469: Hi-Performance Ignition Coil

Interchanges/Replaces

GLM

• 72570

Mallory

• 9-26901

Key Features:

• Replaces points & condensers for true solid state ignition
• Uses standard coil, cap & rotor
• Easy to install, one-piece, 2-wire hook-up
• Accurate to within 1/4° timing accuracy 0 to 6000 RPM range

Additional Details:

• Fits: Most Mallory YL & YD 8 cylinder distributors w/clockwise & counter clockwise rotation

Use With:

• 18-5466: Hi-Performance Ignition Coil

Interchanges/Replaces

GLM

• 72520

Mallory

• 9-26904