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FLASHSALE26

Trim Cylinder End Cap – Fits MerCruiser R/MR/Alpha, Gen II and Bravo (Replaces 806191T, 8M0110717, 8M0115362, 8M0118340, 14698, 14698T, 14698T10)

Regular price $35.20

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Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


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Product Details

This aftermarket Trim Cylinder End Cap is designed for MerCruiser stern-drive and out-drive trim cylinder applications. It is listed for MerCruiser R, MR, Alpha, Alpha Generation II and Bravo trim cylinder systems and is intended to replace a worn or damaged end cap during trim cylinder service.

This product is a single end cap. Seals are not identified as included with this item; verify the seal requirement for your specific trim cylinder before ordering.

  • Replacement tilt and power trim cylinder end cap
  • Listed for MerCruiser R, MR, Alpha, Alpha Generation II and Bravo applications
  • Aftermarket replacement for the referenced OEM and aftermarket numbers below
  • Single end cap supplied; no additional seal kit is included with this listing

Part Number Matrix

Use the following manufacturer and aftermarket references to compare the replacement with your original part. Confirm the number and physical dimensions before installation.

Reference Type Brand Part Number
OEM reference MerCruiser 806191T
OEM reference MerCruiser 8M0110717
OEM reference MerCruiser 8M0115362
OEM reference MerCruiser 8M0118340
OEM reference MerCruiser 14698
OEM reference MerCruiser 14698T
OEM reference MerCruiser 14698T10
Aftermarket reference GLM Marine 11610
Aftermarket reference Sierra Marine 18-2373

Engine & Model Compatibility

The company fitment listing covers the following MerCruiser trim cylinder applications. Fitment should be confirmed by comparing the original end cap, reference number and cylinder dimensions.

Brand Application
MerCruiser R trim cylinder
MerCruiser MR trim cylinder
MerCruiser Alpha / Alpha One
MerCruiser Alpha One Gen II
MerCruiser Bravo

Technical Specs

Application
Tilt and power trim cylinder end cap
Product type
Single replacement end cap
Fitment
MerCruiser R, MR, Alpha, Alpha Generation II and Bravo trim cylinder applications
Seals
Not included with this listing
OEM references
806191T, 8M0110717, 8M0115362, 8M0118340, 14698, 14698T and 14698T10
Aftermarket references
GLM Marine 11610 and Sierra Marine 18-2373

What's in the Box

  • One trim cylinder end cap

Seals and separate seal kits are not included with this single end cap listing.

Installation Notes

  1. Disconnect the battery and relieve hydraulic pressure from the trim system before beginning work.
  2. Remove the existing trim cylinder end cap according to the applicable MerCruiser service manual.
  3. Inspect the cylinder bore, ram, threads and sealing surfaces for scoring, corrosion or debris.
  4. Compare the replacement end cap with the original part, including the reference number, external diameter and sealing arrangement.
  5. If seals are being replaced, obtain the correct seal kit for your specific trim cylinder and install it in the correct orientation.
  6. Apply a compatible assembly lubricant or hydraulic fluid to the seals before installation. Do not damage or twist the seals during assembly.
  7. Carefully thread or install the end cap according to the service manual, avoiding cross-threading or damage to the cylinder.
  8. Torque fasteners or threaded components to the manufacturer specifications for your drive.
  9. Refill the trim system with the specified fluid and bleed air according to the service manual.
  10. Reconnect the battery and test trim operation through its full range. Check carefully for hydraulic leaks before returning the boat to service.

Troubleshooting & FAQ

Which MerCruiser applications are listed for this end cap?

The company fitment listing covers MerCruiser R, MR, Alpha, Alpha Generation II and Bravo trim cylinder applications. Compare your original end cap and reference number before ordering.

Are seals included?

No. This listing is for one trim cylinder end cap. Seals or a separate seal kit are not included.

Which reference numbers can this end cap replace?

Listed OEM references include 806191T, 8M0110717, 8M0115362, 8M0118340, 14698, 14698T and 14698T10. Listed aftermarket references include GLM Marine 11610 and Sierra Marine 18-2373.

Should I replace the seals when replacing the end cap?

Replace seals whenever they are worn, hardened, damaged or leaking. Select the correct seal kit for your exact trim cylinder and follow the applicable service manual.

What symptoms may indicate a trim cylinder end cap problem?

Possible symptoms include hydraulic fluid leakage near the trim ram, slow or uneven trim movement, loss of trim position under load, damaged threads or visible deterioration around the end cap and seals.

Do I need to bleed the trim system after installation?

If the trim system was opened or fluid was added, follow the service manual procedure for checking fluid level and removing air from the system before testing the boat.

Is this an OEM part?

No. This is an aftermarket replacement end cap. The OEM and aftermarket reference numbers are provided for identification and fitment comparison.

Safety & Important Info

  • Verify the original part number, end cap dimensions, cylinder configuration and sealing arrangement before purchase.
  • Keep the MerCruiser model, drive type and applicable year or serial-number information together when confirming fitment.
  • Do not operate the trim system if hydraulic fluid is leaking or if the cylinder, ram or threads are damaged.
  • Professional installation is recommended for hydraulic trim system service.

About Sea Sierra

  • We supply replacement marine components for repair and maintenance applications.
  • Reference numbers are provided to help customers compare parts before ordering.
  • For the best fit, compare the original component and consult the applicable service manual before installation.

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