SKU: 71105332218

100 Hour Service Kit for Mercury Verado 350-400M-400R L6 Engines

Sale price$161.99 Regular price$179.99
Save 10%

Pay in installments of $45.00 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

100 Hour Service Kit for Mercury Verado 350-400M-400R L6 EnginesEverything you need to properly service your Mercury Verado L6 350400HP at the 100 hour mark all in one kit, no guesswork. USP Marine's technicians have spec'd this kit with Liqui Moly Marine oils and genuine OEM filters to meet Mercury's exact service requirements. No more cross referencing part numbers or second guessing oil specs it's all done for you. What's in the Kit & Why It Matters This kit includes 8 liters (8. 5 quarts) of Liqui Moly Marine

Everything you need to properly service your Mercury Verado L6 350–400HP at the 100-hour mark — all in one kit, no guesswork. USP Marine's technicians have spec'd this kit with Liqui Moly Marine oils and genuine OEM filters to meet Mercury's exact service requirements. No more cross-referencing part numbers or second-guessing oil specs — it's all done for you.

 

What's in the Kit & Why It Matters

This kit includes 8 liters (8.5 quarts) of Liqui Moly Marine Engine Oil 25W-50 and 1 liter (1.06 quarts) of Liqui Moly Marine High Performance Gear Oil 85W-90. Both oils meet API SM/NMMA FC-W® certification and are fully approved for Mercury Verado engines. We include an extra quart of engine oil for top-offs — it's not uncommon for engines run hard above 6,000 RPM to consume up to 1 liter over a 100-hour period. We recommend checking your dipstick mid-interval if you run it hard.

Kit Includes:

  • (2) 4-Liter Liqui Moly Marine Engine Oil 25W-50
  • (1) 1-Liter Liqui Moly Marine High Performance Gear Oil 85W-90
  • (1) OEM Oil Filter — Part #: 35-877769K01
  • (1) OEM In-Line Fuel Filter — Part #: 35-879885Q
  • (1) OEM Oil Drain Plug Seal — Part #: 26-888593
  • (2) OEM Gearcase Drain Seals — Part #: 26-830749
  • Optional: OEM Serpentine Belt — Part #: 57-880566Q14 (included with Belt Kit upgrade)

Should You Add the Belt?

If you own a 400R or push your engine hard on a regular basis, our technicians strongly recommend servicing the serpentine belt at every 100-hour interval. A failed belt means no boost — and no one wants to be stranded on the water. It also makes a great spare to keep onboard. Select the "100 Hour Kit With Belt" option above to include it.

Compatible Engines:

  • Mercury 350 Pro Verado (4-Stroke 6 Cyl.) — 2B141124 & Up
  • Mercury 350 Verado (4-Stroke 6 Cyl.) — 2B141617 & Up
  • Mercury 350SCi Verado 6 Cyl. — 1B716557 thru 2B143542
  • Mercury 400 2.6L L6 Verado — 2B618256 & Up
  • Mercury 400 Verado (4-Stroke 6 Cyl.) — 2B141124 & Up
  • Mercury 400 Racing (4-Stroke 6 Cyl.)

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 71105332218

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 7 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
C
Verified Purchase
Crowder
Birmingham, US
★★★★★ 5
Great reusable moisturizing
Size: Regular, Color: Cream
Love these! Use them often to help moisturize my heels with my favorite moisturizer. Comfortable and easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
H
Verified Purchase
Heather
New York, US
★★★★★ 5
Buy these!
Size: Regular, Color: Cream
I only write a review when I have a strong opinion and want to help others decide. I've been having trouble with cracked heels for months. Previously I had just been using regular socks, but these slip-ons have been game changers! They don't make my feet hot at night. They are comfortable and in the morning my heels feel soft, and I don't need to use them everyday. They look good and fit well even if I want to wear them under socks or in shoes during the day. They really do help if you have cracked heels along with some kind of lotion. Definitely effective!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2025
B
Verified Purchase
Beverly K.
Louisville, US
★★★★★ 5
Cracked heels are gone after 5 applications
Size: Regular, Color: Cream
These moisturizing socks work great. My heels are happy again. The open toe design makes it so my feet don’t overheat at night. It only took 5 times to get rid of my painful cracked heels. Now I wear them 1-2 times a week to keep my heels healthy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
L
Verified Purchase
Lori
Belleville, US
★★★★★ 4
Really nice but needs a few small improvements
Size: Regular, Color: Cream
Super comfortable and the gel lining feels so nice on my feet. They seem to do their job and help with moisturizing and so far the quality has been great. I deducted a star because they can be difficult to clean and may not fit wider feet. Otherwise a great value for your money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
S
Verified Purchase
Sandy B
Los Angeles, US
★★★★★ 5
Perfect socks for cracked heels
Size: Regular, Color: Cream
These are the best for your cracked heels. They still keep their shape and softening power even after washing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026

recommand products