Excellent customer service
“Excellent customer service. Had a small order issue that was remedied quickly with great communication!”
Read on Trustpilot →Why shop with us
Brand: Sierra Marine
Lower Gearcase with P Seal Kit by Sierra Inc.
Only 1 left in stock — order soon
No hidden fees — Shipping and tax included in the price.
We accept major cards and digital wallets. Additional installment plans, when available, are offered by Shopify at checkout based on order eligibility.
Not sure it fits your vehicle?
Email info@trybeepbeep.com with this part and your vehicle’s year, make, model, trim and engine. We check fitment before you order — replies within 24–48 hours.
New Sierra Misc Engine Parts 18-8370.
Sierra Misc Engine Parts 18-8370 are new.
“Excellent customer service. Had a small order issue that was remedied quickly with great communication!”
Read on Trustpilot →“This business communicates very well and delivers on their promise. I would work with them again”
Read on Trustpilot →“Receive my 18*8-wheel super quick, definitely I'll buy again.”
Read on Trustpilot →“My order was filled promptly and arrived as promised. …”
Read on Trustpilot →“The customer representative was helpful in getting the correct parts ordered, and explained what was included and how to …”
Read on Trustpilot →“Hello, I received my order today and matched as listed. it's super condition so quick …”
Read on Trustpilot →“Great customer service!”
Read on Trustpilot →About P Seal Kit Lower Gearcase By Sierra Inc.
The part number is 18-8370.
This product is by Sierra Inc.
The kit includes a P Seal.
The UPC/barcode for this product is 808282105983.
Orders ship within the USA directly from our authorized U.S. distributor and brand warehouses.
Orders ship within 1-2 business days and typically arrive within 4-5 business days via free standard shipping -- usually by Nov 20.
Yes -- this item can be returned within 15 days of delivery for a free return by mail. See our return policy for full details.