42881A1 Mercury MerCruiser Shift Rail Assembly | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Shift Rail Assembly - Part Number: 42881A1

A genuine Quicksilver shift rail assembly used in selected Mercury and Mariner outboard shift linkage and lower pan / powerhead control assemblies. This rail works with the shift slide and linkage components to transfer shift movement through the engine assembly for correct gear selection.

⚙️ Key Features

• Genuine Quicksilver OEM shift rail assembly

• Correct Mercury part number 42881A1

• Used across selected 40 Jet through 125HP Mercury / Mariner outboards

• Related shift slide reference 988851

• Helps maintain positive forward, neutral and reverse shift operation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 42881A1 current OEM service reference

OEM / Related Numbers:

• 42881A1

• 42881 A1

• 42881

• 988851 related shift slide reference

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Mercury / Mariner outboard shift rail and shift linkage assemblies

Typically suits:

• Engine models:

• Mercury / Mariner 40 Jet - serial 0P094500 to 0P325499

• Mercury / Mariner 40 Jet - serial 0P325500 and up

• Mercury / Mariner 40 Jet - serial 0T178500 to 0T979999

• Mercury / Mariner 40 Jet - serial 0T980000 and up

• Mercury / Mariner 45 Jet - serial 9683055 to 9885344

• Mercury / Mariner 45 Jet - serial 9885385 to 9973099

• Mercury / Mariner 45 Jet - serial 0D000750 to 0G290584

• Mercury / Mariner 45 Jet - serial 0G290585 to 0G589999

• Mercury / Mariner 45 Jet - serial 0G590000 to 0G760299

• Mercury / Mariner 45 Jet - serial 0G760300 to 0T129554

• Mercury / Mariner 45 Jet - serial 9973100 to 0P016999

• Mercury / Mariner 45 Jet - serial 0P017000 to 0P094499

• Mercury / Mariner 50 3-cylinder - serial 9683055 to 9885344

• Mercury / Mariner 50 3-cylinder - serial 9885345 to 9973099

• Mercury / Mariner 50 3-cylinder - serial 0D000750 to 0G290584

• Mercury / Mariner 50 3-cylinder - serial 0G290585 to 0G589999

• Mercury / Mariner 55 3-cylinder - serial 9741042 to 9885344

• Mercury / Mariner 55 3-cylinder - serial 9885345 to 9973099

• Mercury / Mariner 55 3-cylinder - serial 0D000750 to 0G290584

• Mercury / Mariner 55 3-cylinder - serial 0G290585 to 0G589999

• Mercury / Mariner 55 3-cylinder - serial 0G590000 to 0G760299

• Mercury / Mariner 55 3-cylinder - serial 0G760300 to 0T979999

• Mercury / Mariner 55 3-cylinder - serial 9973100 to 0P016999

• Mercury / Mariner 55 3-cylinder - serial 0P017000 to 0P325499

• Mercury / Mariner 55 3-cylinder - serial 0P325500 and up

• Mercury / Mariner 55 3-cylinder - serial 0T980000 and up

• Mercury / Mariner 60 3-cylinder - serial 9683055 to 9885344

• Mercury / Mariner 60 3-cylinder - serial 9885345 to 9973099

• Mercury / Mariner 60 3-cylinder - serial 0D000750 to 0G290584

• Mercury / Mariner 60 3-cylinder - serial 0G290585 to 0G589999

• Mercury / Mariner 60 3-cylinder - serial 0G590000 to 0G760299

• Mercury / Mariner 60 3-cylinder - serial 0G760300 to 0T979999

• Mercury / Mariner 60 3-cylinder - serial 9973100 to 0P016999

• Mercury / Mariner 60 3-cylinder - serial 0P017000 to 0P325499

• Mercury / Mariner 60 3-cylinder - serial 0P325500 and up

• Mercury / Mariner 60 3-cylinder - serial 0T980000 and up

• Mercury / Mariner 60 3-cylinder BigFoot - serial 9973100 to 0P016999

• Mercury / Mariner 60 3-cylinder BigFoot - serial 0P017000 to 0P325499

• Mercury / Mariner 60 3-cylinder BigFoot - serial 0G590000 to 0G760299

• Mercury / Mariner 60 3-cylinder BigFoot - serial 0G760300 to 0T979999

• Mercury / Mariner 65 Jet - serial 0D283222 to 0G760299

• Mercury / Mariner 65 Jet - serial 0G760300 to 0T979999

• Mercury / Mariner 65 Jet - serial 9793577 to 0P016999

• Mercury / Mariner 65 Jet - serial 0P017000 to 0P325499

• Mercury / Mariner 65 Jet 3-cylinder - serial 0T980000 to 0T999999

• Mercury / Mariner 65 Jet 3-cylinder - serial 1B000001 and up

• Mercury / Mariner 70 3-cylinder - serial 0A996142 to 0B240450

• Mercury / Mariner 70 3-cylinder - serial 0B240451 to 0C221999

• Mercury / Mariner 70 3-cylinder - serial 9483121 to 9506480

• Mercury / Mariner 70 3-cylinder - serial 9506481 to 9589038

• Mercury / Mariner 75 3-cylinder - serial 0A996142 to 0B240450

• Mercury / Mariner 75 3-cylinder - serial 0B240451 to 0C221999

• Mercury / Mariner 75 3-cylinder - serial 9483121 to 9506480

• Mercury / Mariner 75 3-cylinder - serial 9506481 to 9589038

• Mercury / Mariner 75 3-cylinder - serial 0C222000 to 0D283221

• Mercury / Mariner 75 3-cylinder - serial 9589039 to 9793576

• Mercury / Mariner 75 3-cylinder - serial 0D283222 to 0G760299

• Mercury / Mariner 75 3-cylinder - serial 0G760300 to 0T979999

• Mercury / Mariner 75 3-cylinder - serial 9793577 to 0P016999

• Mercury / Mariner 75 3-cylinder - serial 0P017000 to 0P325499

• Mercury / Mariner 75 3-cylinder - serial 0P325500 and up

• Mercury / Mariner 75 3-cylinder - serial 0T980000 to 0T999999

• Mercury / Mariner 75 3-cylinder - serial 1B000001 and up

• Mercury / Mariner 75 DFI 1.5L 3-cylinder - serial 0T980000 to 1B226999

• Mercury / Mariner 75 DFI 1.5L 3-cylinder - serial 1B227000 to 1B417701

• Mercury / Mariner 75 DFI 1.5L 3-cylinder - serial 1B417702 to 1B736885

• Mercury / Mariner 75 DFI 1.5L 3-cylinder - serial 1B736885 and up

• Mercury / Mariner 80 3-cylinder - serial 0A996142 to 0B240450

• Mercury / Mariner 80 3-cylinder - serial 0B240451 to 0C221999

• Mercury / Mariner 80 3-cylinder - serial 9483121 to 9506480

• Mercury / Mariner 80 3-cylinder - serial 9506481 to 9589038

• Mercury / Mariner 80 Jet - serial 0D283222 to 0G760299

• Mercury / Mariner 80 Jet - serial 0G760300 to 0T979999

• Mercury / Mariner 80 Jet - serial 9793577 to 0P016999

• Mercury / Mariner 80 Jet - serial 0P017000 to 0P325499

• Mercury / Mariner 80 Jet - serial 0T980000 to 0T999999

• Mercury / Mariner 80 Jet - serial 1B000001 and up

• Mercury / Mariner 80 Jet 1.5L 3-cylinder - serial 1B586067 to 1B736885

• Mercury / Mariner 80 Jet 1.5L 3-cylinder - serial 1B736885 and up

• Mercury / Mariner 90 3-cylinder - serial 0A996142 to 0B240450

• Mercury / Mariner 90 3-cylinder - serial 0B240451 to 0C221999

• Mercury / Mariner 90 3-cylinder - serial 9483121 to 9506480

• Mercury / Mariner 90 3-cylinder - serial 9506481 to 9589038

• Mercury / Mariner 90 3-cylinder - serial 0C222000 to 0D283221

• Mercury / Mariner 90 3-cylinder - serial 9589039 to 9793576

• Mercury / Mariner 90 3-cylinder - serial 0D283222 to 0G760299

• Mercury / Mariner 90 3-cylinder - serial 0G760300 to 0T979999

• Mercury / Mariner 90 3-cylinder - serial 9793577 to 0P016999

• Mercury / Mariner 90 3-cylinder - serial 0P017000 to 0P325499

• Mercury / Mariner 90 3-cylinder - serial 0P325500 and up

• Mercury / Mariner 90 3-cylinder - serial 0T980000 to 0T999999

• Mercury / Mariner 90 3-cylinder - serial 1B000001 and up

• Mercury / Mariner 90 DFI 1.5L 3-cylinder - serial 0T801000 to 1B226999

• Mercury / Mariner 90 DFI 1.5L 3-cylinder - serial 0T980000 to 1B226999

• Mercury / Mariner 90 DFI 1.5L 3-cylinder - serial 1B227000 to 1B417701

• Mercury / Mariner 90 DFI 1.5L 3-cylinder - serial 1B417702 to 1B736885

• Mercury / Mariner 90 DFI 1.5L 3-cylinder - serial 1B736885 and up

• Mercury / Mariner 100 4-cylinder - serial 0A722297 to 0D283221

• Mercury / Mariner 100 4-cylinder - serial 0B209468 to 0D283221

• Mercury / Mariner 100 4-cylinder - serial 9523034 to 9793576

• Mercury / Mariner 100 4-cylinder - serial 0D283222 to 0G760299

• Mercury / Mariner 100 4-cylinder - serial 0G760300 to 0G965520

• Mercury / Mariner 100 4-cylinder - serial 9793577 to 0P016999

• Mercury / Mariner 100 4-cylinder - serial 0P017000 to 0P058999

• Mercury / Mariner 115 4-cylinder - serial 0C100000 to 0D283221

• Mercury / Mariner 115 4-cylinder - serial 9559771 to 9793576

• Mercury / Mariner 115 4-cylinder - serial 0D283222 to 0G760299

• Mercury / Mariner 115 4-cylinder - serial 0G760300 to 0T979999

• Mercury / Mariner 115 4-cylinder - serial 9793577 to 0P016999

• Mercury / Mariner 115 4-cylinder - serial 0P017000 to 0P325499

• Mercury / Mariner 115 4-cylinder - serial 0P325500 and up

• Mercury / Mariner 115 4-cylinder - serial 0T980000 to 0T999999

• Mercury / Mariner 115 4-cylinder - serial 1B000001 and up

• Mercury / Mariner 115 DFI 1.5L 3-cylinder - serial 0T801000 to 1B226999

• Mercury / Mariner 115 DFI 1.5L 3-cylinder - serial 0T980000 to 1B226999

• Mercury / Mariner 115 DFI 1.5L 3-cylinder - serial 1B227000 to 1B417701

• Mercury / Mariner 115 DFI 1.5L 3-cylinder - serial 1B417702 to 1B736885

• Mercury / Mariner 115 DFI 1.5L 3-cylinder - serial 1B736885 and up

• Mercury / Mariner 115 Pro XS 1.5L 3-cylinder - serial 1B751825 and up

• Mercury / Mariner 125 4-cylinder - serial 0D283222 to 0G760299

• Mercury / Mariner 125 4-cylinder - serial 0G760300 to 0T979999

• Mercury / Mariner 125 4-cylinder - serial 9793577 to 0P016999

• Mercury / Mariner 125 4-cylinder - serial 0P017000 to 0P325499

• Mercury / Mariner 125 4-cylinder - serial 0P325500 and up

• Mercury / Mariner 125 4-cylinder - serial 0T980000 to 0T999999

• Mercury / Mariner 125 4-cylinder - serial 1B000001 and up

• Mercury / Mariner 125 DFI 1.5L 3-cylinder - serial 1B736885 and up

• HP Range: 40 Jet through 125HP

• Engine Type: Mercury / Mariner 3-cylinder, 4-cylinder and DFI outboard applications

• System Type: Shift rail / shift linkage assembly

🔌 Function

The shift rail assembly transfers mechanical shift movement through the engine linkage system so the outboard can engage forward, neutral and reverse correctly.

Common signs of failure:

• Difficult or inconsistent gear selection

• Shift linkage binding

• Engine will not fully engage forward or reverse

• Excess play in the shift mechanism

• Damaged, bent or corroded shift rail components

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging