Skip to Main Content

Pickup or delivery?

All Departments

Rollbacks & more

Rollbacks & more

Shop All Clearance Flash Deals Extra Savings Grocery Electronics Beauty Pets Sports & Outdoors Household Essentials Patio & Garden Home Improvement Auto & Tires Baby Home Fashion Toys Health & Wellness

Mother's Day

Shop All Top 100+Flowers Greeting Cards Food & Candy Jewelry Fashion & Accessories Beauty & Fragrance Tech Self-care & Wellness Sleepwear Home Plants & Gardening

Grocery

All Grocery Meals Made Easy Mother's Day Food $1 Food Hub Recipe Inspiration Meat & Seafood Fresh Produce Frozen Bakery & Bread Snacks Pantry Deli Dairy & Eggs Beverages Breakfast & Cereal Baking Candy Global Cuisine Alcohol Floral Shop

Clothing, Shoes, & Accessories

Clothing, Shoes, & Accessories

All Clothing, Shoes, & Accessories Premium Fashion New Arrivals Women Women's Plus Maternity Men Young Adult Tween Kids Toddler Baby Shoes Jewelry & Watches Bags & Accessories Editors' Picks

Baby & Kids

All Baby All Kids The Baby Event Baby Clothing Toddler Clothing Kids Clothing Bulk Baby Supplies Diapers & Wipes Baby Formula & Baby Food Nursery & Decor Kids Room Baby Travel Gear Baby Registry WIC

Pharmacy, Health & Wellness

Pharmacy, Health & Wellness

All Health & Wellness Pharmacy Allergy & Sinus Vitamins & Supplements Caregiver Hub Protein, Fitness, & Weight Management Women's Wellness Pain Management First Aid & Injury Recovery Vision Center Digestive Health & Wellness Cough, Cold, & Flu Eyecare Kids Health & Wellness Diabetes Management International Medicine Benefits Hub

Home, Garden & Tools

Home, Garden & Tools

All Home All Patio & Garden Tools & Home Improvement Spring Home Edit Furniture Mattresses Kitchen & Dining Home Decor Bedding Bath Appliances Storage & Organization Vacuums, Steamers & Floorcare Luggage & Travel Registry & Lists Design Your Space

Electronics

All Electronics TVs & Home Theater Laptops, PCs & Tablets Cell Phones & Accessories Headphones & Speakers Printers & Accessories Cameras & Drones Home Appliances Wearables & Smart Tech Smart Home & Wi-Fi Batteries Resold at Walmart

Gaming

Shop All Gaming PlayStation Nintendo Xbox PC Gaming Meta Nex Playground Gaming Accessories VR Headsets & Gear

Auto & Tires

All Auto & Tires Tires & Installation Auto Parts & Accessories Oil and Fluids Auto Detailing & Car Care Batteries & Accessories Auto Electronics Automotive Tools & Equipment Vehicles RV Parts & Accessories Auto Care Center Schedule an Oil Change Tire Services Schedule Battery Installation

Personal Care

All Personal Care Haircare Bath and Body Oral Care Sexual Wellness Feminine Care Deodorant Shave Men's Essentials Incontinence Suncare & Tanning

Beauty

All Beauty Makeup Haircare Skincare Fragrance Nail Care Suncare & Tanning Premium Beauty Beauty Tech & Tools The Curl Shop Men's Grooming K-Beauty Shop

Toys & Outdoor Play

Toys & Outdoor Play

All Toys & Outdoor Play Toy Savings Outdoor Play & Ride Ons Preschool Toys Dolls Building Sets & Blocks Games & Puzzles Arts & Crafts Action Figures Cars & Remote Controls Collectibles & Exclusives Toys New Arrivals Batteries

Household Essentials

Household Essentials

All Household Essentials Spring Cleaning Cleaning Supplies Laundry Paper & Plastic Air Fresheners Pest Control Dishwashing Batteries Delivery Subscriptions

Pet Supplies

Shop All Pets Dog Supplies Dog Food Dog Toys Cat Supplies Cat Food Cat Toys Premium Pets Fish & Aquatic Pets Small Animals Birds Farm Animals Reptiles Pet Prescriptions Pet Profiles

School, Office & Art Supplies

School, Office & Art Supplies

All School Supplies All Office Supplies All Arts, Crafts & Sewing Crafting Art Supplies Teacher's Classroom Shop Classroom Registry Sewing Fabric Shipping & Moving

Sports & Outdoors

Sports & Outdoors

All Sports & Outdoors Outdoor Sports Camping Boating Fishing Hunting Exercise & Fitness Sports Bikes Games & Outdoor Recreation Pools, Hot Tubs & Supplies Sports Fan Shop

Books, Movies, & Music

Books, Movies, & Music

Books Movies & TV Shows Music Musical Instruments Premium Musical Instruments Record Players Comics

Party Supplies

All Party Supplies Cake Decorating Decorations & Kits Party Tableware Party Favors Gift Wrap & Bags Balloons Party Hats, Pinatas, & More Greeting Cards Personalized Cards & Gifts

Auto Care Center Services

Auto Care Services

Auto Care Center Services Buy Tires & Schedule Installation Tire Maintenance Battery Installation Schedule an Oil Change Vehicle Maintenance Virtual Garage Find an Auto Care Center

Pharmacy

Pharmacy Home Pharmacy Delivery Refill Prescriptions Transfer Prescriptions Find a Pharmacy $4 Prescriptions Pet Pharmacy

Health Services

Telehealth Wellness Hub Birth Control Prescribing Testing & Treatment: Strep Throat, Flu & COVID-19

Vaccines

Schedule now All Vaccines Flu shots COVID-19

Vision & Optical

Vision Center

Vision Home Order Contact Lenses Prescription Glasses Women's Prescription Glasses Men's Prescription Glasses Kids Prescription Glasses Prescription Sunglasses Safety/Sport Rx Glasses Try-on Glasses Virtually Find a Vision Center Schedule Eye Exam

Insurance & Benefits

Benefit Programs

All Benefit Programs SNAP WIC Food & OTC Benefits FSA/HSA

Insurance Services

Insurance Services Home Individual & Family Plans Medicaid Renewal Medicare Information Compare Medicare Plans Pet Insurance

Registry, Lists, & Gifts

Lists

Create a shopping list Manage your lists

Registries

Registries Wedding Registry Baby Registry Classroom Registry Any Occasion Wishlist

Gift Cards

Shop all gift cards Walmart gift cards

Spark Good

Support a local charity Access nonprofit resources

Custom Cakes

Design Your Own Cake Trending Custom Cakes

Custom Cupcakes

All Custom Cupcakes Cupcake Cakes

Featured

Photo Center Same day gifts Prints Cards

Photo Gifts

Canvas Prints Mugs & Tumblers Custom T-shirts Photo Books Wall Art Blankets All Photo Gifts

Financial Services

OnePay Hub

OnePay Credit Card OnePay Cash OnePay Later Walmart MoneyCard Reloadable Debit Card

Money & Other Services

Money Center Personal Loans

Gift Cards

All Gift Cards Check your gift card balance Walmart Gift Cards Visa, Mastercard, & AMEX Gift Cards

Protection, Home, & Tech

Protection Services

Walmart Protection Plans AppleCare

Home & Tech Services

Assembly, Home Improvement, & Installation Services Wireless Services Home Heating & AC Installation Tech Services Energy Plans

Subscriptions

Subscriptions Home Manage Subscriptions Create a Walmart Account

Subscription Products

Household Essentials Grocery Baby Pets Vitamins Beauty Health & Wellness Personal Care

Walmart Business

Walmart Business

Shop Walmart Business About Walmart Business Walmart Business+ Walmart Services Tax Exempt Onboarding resources Business print services

Industry solutions

Point of sales solutions Technology Commercial Janitorial Facilities & maintenance Food services Office Hospitality Health & wellness

Shopping, simplified

It’s easier in the app

Discover the app Meet Sparky Store Mode Walmart Pay

Pickup & Delivery

Fulfillment options Subscriptions Substitutions

Get inspired

Recipe Library Walmart Live #IYWYK Nutrition Hub

Pickup or delivery?

Mercury Outboard Check Valve Kit 21-30430A4 30430A4

Mercury Outboard Check Valve Kit 21-30430A4 30430A4

Hero image 0 of Mercury Outboard Check Valve Kit 21-30430A4 30430A4, 0 of 2

Mercury Outboard Check Valve Kit 21-30430A4 30430A4

(No ratings yet)

Key item features

Sold Each

Specs

Brand
Mercury Marine
Has written warranty
No
Weight
0.1875 lb
Product net content uom
Each

Price when purchased online

Not Available

How do you want your item?

How do you want your item?

Not available

Report an issue with this seller

About this item

Product details

Brand new, genuine Mercury Marine/Mercruiser NLA. This is a factory original equipment part, not aftermarket.

Sold each.

SKU#: 21-30430A4

Please verify your own fitment.

Sold Each

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Warnings

WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Customer ratings & reviews

0 ratings|0 reviews

This item does not have any reviews yet

Rewards debit card.Earn 3% cash back, on up to $150spent each month.Terms apply.

Join OnePay Cash

Related pages