PCM Crankshaft Rear Oil Seal R047173A
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Prevent engine oil leaks and maintain proper crankshaft sealing with the PCM Crankshaft Rear Oil Seal R047173A. This genuine Pleasurecraft Marine (PCM) OEM rear main seal is designed to seal the rear of the crankshaft where it exits the engine block, preventing engine oil from leaking between the crankshaft and engine housing.
The rear crankshaft seal plays a critical role in maintaining proper engine lubrication by keeping oil contained within the crankcase while allowing the crankshaft to rotate freely. Using an OEM PCM seal ensures proper fitment, durability, and reliable sealing performance in demanding marine engine environments.
Key Features
-
Genuine PCM (Pleasurecraft Marine) OEM crankshaft rear oil seal
-
Designed to seal the rear main crankshaft opening
-
Helps prevent engine oil leaks at the rear of the engine
-
Durable elastomer sealing lip for long service life
-
Designed to withstand heat, oil exposure, and engine vibration
-
Direct replacement for original PCM rear main seals
Part Details
OEM Part Number: R047173A
Product Type: Crankshaft rear oil seal
Application: Rear main crankshaft sealing
Material: Marine-grade elastomer sealing lip with metal outer casing
Typical Packaging: Individual rear oil seal
Compatible PCM Engines
Used on select Pleasurecraft Marine (PCM) inboard engines, including:
PCM Engines
-
PCM Excalibur series engines
-
PCM EX343
-
PCM ZR409
-
PCM ZR6
-
Various GM-based PCM V8 marine engines
These engines are commonly installed in Correct Craft / Nautique ski, wake, and surf boats and other PCM-powered inboard marine applications.
Function
The rear crankshaft oil seal prevents engine oil from leaking out of the engine where the crankshaft exits the rear of the engine block.
Replacing a worn or leaking rear main seal helps:
-
Prevent engine oil leaks at the rear of the engine
-
Maintain proper engine oil levels
-
Protect the flywheel housing and bellhousing area
-
Ensure reliable long-term engine operation
Important Compatibility Note
Rear main seals vary depending on engine model, crankshaft design, and serial number range. Always verify compatibility using the engine model and serial number before ordering to ensure the correct crankshaft seal.
Cross-Stock / Reference Part Numbers
-
PCM R047173A
-
R047173 – Earlier version replaced by R047173A
- may not be exactly as shown
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
- locally warehoused → "Ships within 3 days for fast Canada wide shipping. ⚓"
- In Stock → "Ships in 1–3 business days for fast Canada wide shipping. ⚓"
- OEM parts (in stock) → same or next day
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.