Bathroom Leaky Faucet Repair Kits: 7 Best Picks Compared (2026)

Updated November 2026

Bathroom leaky faucet repair usually comes down to one worn part: a cartridge, a washer, an O-ring or a valve seat. The right repair kit can fix the drip in under an hour, but only if it matches your faucet brand and handle style. The picks below were selected by comparing manufacturer specifications, brand reputation and common owner feedback about fit and completeness. Each one is judged on how closely it targets bathroom faucets, how many parts it includes, whether it is brand-specific or universal, and how well the components are described. No product here was installed or tested by the author.

Our Top Picks

Quick Comparison

Product	Best for	Key feature
Danco Cartridge Repair Kit for Delta Single-Handle Faucet, Brass (86970)	Delta single-handle bathroom faucets	Brass cartridge replacement for a specific Delta fit
NBRINGO 1075 PCS 37 Sizes 3-in-1 Universal Plumbing Repair Kit	Mixed-brand households and assorted repairs	Large assortment of washers, O-rings and gaskets in 37 sizes
Home Impressions Washerless Cartridge Faucet Repair Kit	Washerless cartridge faucets	Cartridge-focused repair without washers
Rocky Mountain Goods Delta Faucet Repair Kit for Single-Level Faucets	Delta single-level bathroom, kitchen and shower faucets	11-piece set for a leaky faucet fix
XBVV 106 PCS Faucet Washer Assortment Kit	Budget repairs and spare parts stock	106 assorted flat and beveled rubber washers
Delta Faucet RP77738 Bathroom Repair Kit, Chrome	Delta bathroom faucets needing a complete set	Chrome-finish repair kit matched to Delta bathroom faucets
Fits Delta RP25513 Two Handle Faucet Stem and Cartridge Replacement Repair Kit	Leaky two-handle bath and sink faucets	Stems, seats, springs, stops and cartridge in one set

Danco Cartridge Repair Kit for Delta Single-Handle Faucet, Brass (86970)

Best for: Delta single-handle bathroom faucets that drip from the spout even when the handle is off.

This kit suits homeowners who have identified a Delta single-handle cartridge as the source of the leak. A cartridge failure is one of the most common causes of a dripping single-handle faucet, and a direct replacement is usually faster than rebuilding the valve.

Key specs

• Brass cartridge component for Delta single-handle faucets
• Listed model number 86970
• Designed as a replacement cartridge rather than a general parts assortment

Pros

• Targets the most likely failure point on Delta single-handle faucets
• Brass construction is commonly associated with durability
• Simple replacement path for a single component

Cons

• Only useful if your faucet matches the Delta single-handle design
• Does not include washers or O-rings for other faucet types

Bottom line: Best for homeowners who confirmed a Delta single-handle cartridge is leaking and want a targeted fix.

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Rocky Mountain Goods Delta Faucet Repair Kit for Single-Level Faucets

Best for: Delta single-level faucets in bathrooms, kitchens and tub-shower setups.

Owners with a Delta single-level faucet who want a multi-part kit rather than a single cartridge will find this set more complete. It covers several places where small parts wear out in a leaking faucet.

Key specs

• 11-piece set
• Components described as plastic, rubber and stainless steel
• Listed for kitchen, bathroom and shower/tub single-level faucets

Pros

• Multiple components in one set reduce trips to the hardware store
• Covers several common wear points
• Clearly targeted at Delta single-level designs

Cons

• Brand-specific, so less useful for other faucet brands
• Exact parts must still be matched to your faucet’s internal design

Bottom line: A strong choice for a Delta single-level faucet that needs more than one part replaced.

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Fits Delta RP25513 Two Handle Faucet Stem and Cartridge Replacement Repair Kit

Best for: Leaky two-handle bath and sink faucets where both hot and cold stems may be worn.

Two-handle faucets have separate stems, seats and springs for hot and cold, so a leak can come from either side. A kit that includes stems and stops gives you more options when diagnosing the problem.

Key specs

• Listed for Delta RP25513 two-handle faucets
• Includes stems, seats, springs, stops and cartridge components per the listing
• Intended for bath, shower and sink applications

Pros

• Covers both sides of a two-handle faucet
• Includes multiple wear parts in one purchase
• Specific model fit description helps narrow compatibility

Cons

• Model-specific fit means you must confirm your faucet matches
• Installation involves more steps than a single cartridge swap

Bottom line: Best for two-handle Delta faucets where you suspect a stem or seat is the source of the drip.

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Delta Faucet RP77738 Bathroom Repair Kit, Chrome

Best for: Delta bathroom faucet owners who want a repair kit that matches a chrome finish.

This kit is aimed at Delta bathroom faucets and is a practical option for owners who prefer a matched, brand-specific set rather than a universal assortment.

Key specs

• Delta part number RP77738
• Chrome finish
• Designed for Delta bathroom faucets

Pros

• Brand-specific design reduces guesswork
• Chrome finish is intended to match common Delta bathroom hardware
• Straightforward choice for Delta owners

Cons

• Limited use outside Delta faucets
• Owners should confirm the part number against the old parts before buying

Bottom line: A sensible pick for Delta bathroom faucet owners who want a brand-matched repair set.

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NBRINGO 1075 PCS 37 Sizes 3-in-1 Universal Plumbing Repair Kit and O-Rings

Best for: Households with mixed faucet brands or several plumbing fixtures that need small seals.

A large assortment of washers, gaskets and O-rings is useful when you do not know the exact brand or when more than one faucet in the house is leaking. Sorting through sizes takes patience, but the range covers many common needs.

Key specs

• 1075 pieces
• 37 sizes
• Includes a pick hook for removing old seals

Pros

• Universal approach works across several fixtures
• Large quantity keeps spares on hand
• Pick hook helps with removing old O-rings

Cons

• Matching the correct size can be time-consuming
• Does not replace cartridges or stems, which some faucets need

Bottom line: Best for owners who want a broad seal assortment for several faucets rather than one brand-specific kit.

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Home Impressions Washerless Cartridge Faucet Repair Kit

Best for: Washerless cartridge faucets that drip or stiffen over time.

Washerless faucets rely on a cartridge to control flow, so repair kits for this type focus on cartridge components rather than rubber washers. This kit is suited to owners who have confirmed their faucet is a washerless design.

Key specs

• Designed for washerless cartridge faucets
• Cartridge-focused repair set
• Listed as a repair kit for faucet leaks

Pros

• Matches the washerless design, avoiding unnecessary parts
• Targets the cartridge, the most common failure point in this type
• Clear use case for the right faucet

Cons

• Useless on compression faucets that use washers
• Fit must be confirmed against the existing cartridge

Bottom line: Ideal for owners who have identified a washerless cartridge faucet and want a focused repair.

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XBVV 106 PCS Faucet Washer Assortment Kit

Best for: Budget repairs and keeping a spare stock of common washers on hand.

This assortment is aimed at compression faucets, which use rubber washers that flatten or crack over time. The listing describes flat and beveled washers, which covers many common replacement needs.

Key specs

• 106 pieces
• Assorted flat and beveled rubber washers
• Listed for faucet stem leak repair

Pros

• Good value for a large spare assortment
• Covers multiple washer styles
• Useful for stocking up on common sizes

Cons

• Requires identifying the correct washer type and size
• Not a complete kit for cartridge or stem failures

Bottom line: A budget-friendly choice for compression faucet owners who are comfortable matching washers by eye.

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Buying Guide

Identify your faucet type first

Before buying any kit, determine whether your bathroom faucet is a compression, cartridge, ball or ceramic-disc design. Compression faucets use rubber washers, while cartridge faucets use a replaceable cartridge. Single-handle faucets are usually cartridge or ball types, and two-handle faucets often use stems and seats.

Good picks for this: Danco Cartridge Repair Kit for Delta Single-Handle Faucet; Home Impressions Washerless Cartridge Faucet Repair Kit

Check the brand and model number

Brand-specific kits such as Delta-labeled sets are designed around particular internal geometry. Look for the model number on the faucet body or in the manufacturer’s documentation, and compare it to the kit listing before ordering.

Good picks for this: Delta Faucet RP77738 Bathroom Repair Kit, Chrome; Fits Delta RP25513 Two Handle Faucet Stem and Cartridge Replacement Repair Kit

Decide between a single part and a full kit

A single cartridge is quicker to install if you have already diagnosed the failed part. A full kit with stems, seats and springs costs more time but covers more possibilities when you are unsure which component is worn.

Good picks for this: Rocky Mountain Goods Delta Faucet Repair Kit for Single-Level Faucets; Danco Cartridge Repair Kit for Delta Single-Handle Faucet

Count the parts and sizes you need

Universal assortments are useful when you need many sizes of washers, O-rings and gaskets. Check how many pieces are included and whether the sizes are labeled, since mismatched O-rings are a common reason repairs fail.

Good picks for this: NBRINGO 1075 PCS 37 Sizes 3-in-1 Universal Plumbing Repair Kit; XBVV 106 PCS Faucet Washer Assortment Kit

Match the finish and materials

Brass and stainless components generally resist corrosion better than cheaper plastics in areas with hard water. Chrome-finish kits are intended to match standard bathroom hardware, which helps when visible parts are exposed during the repair.

Good picks for this: Danco Cartridge Repair Kit for Delta Single-Handle Faucet; Delta Faucet RP77738 Bathroom Repair Kit, Chrome

Plan for the repair steps

Most bathroom faucet repairs require shutting off the water supply, removing the handle, taking out the cartridge or stem, and inspecting the seats. Keep a bucket and towel nearby, and photograph the parts before removal so you can reassemble them in the same order.

Good picks for this: Fits Delta RP25513 Two Handle Faucet Stem and Cartridge Replacement Repair Kit; Rocky Mountain Goods Delta Faucet Repair Kit for Single-Level Faucets

Consider water quality and maintenance

Hard water leaves mineral deposits that accelerate wear on seats and cartridges. Cleaning aerators and checking seats during repair helps extend the life of new parts. If you notice persistent leaks after a repair, consult a licensed plumber to check water pressure and supply lines.

Good picks for this: Delta Faucet RP77738 Bathroom Repair Kit, Chrome; NBRINGO 1075 PCS 37 Sizes 3-in-1 Universal Plumbing Repair Kit

FAQ

How do I know which repair kit to buy for my bathroom faucet?

Start by identifying the brand and faucet type. Look for a model number on the faucet body or in its manual. Brand-specific kits are the safest choice when the model is known, while universal assortments help when the brand is unclear.

Can I fix a leaky bathroom faucet without replacing the whole faucet?

In most cases, yes. Leaks are usually caused by worn cartridges, washers, O-rings, stems or seats, all of which are replaceable. A full faucet replacement is only necessary when the body is cracked or the fixture is beyond practical repair.

How long does a bathroom faucet repair typically take?

For a single cartridge swap, many homeowners can finish within an hour once the water is off and the tools are ready. Two-handle faucets with multiple stems and seats take longer, and first-time repairs often take more time because of unfamiliar parts.

What tools do I need for a bathroom faucet repair?

Common tools include an adjustable wrench, screwdrivers, a seat wrench or cartridge puller if your faucet requires one, plumber’s grease, and a towel to protect the finish. Check the faucet manufacturer’s guidance for any specialized tools.

Why does my faucet keep dripping after I replaced the washer?

The new washer may be the wrong size or type, or the valve seat may be pitted or worn. Verify that the washer matches the old part, inspect the seat for damage, and confirm that the handle and stem are tightened correctly.

Should I call a plumber for a bathroom faucet leak?

A plumber is a good choice if you cannot identify the faucet type, if the water supply valves are stuck or corroded, or if the leak continues after a repair. Water supply work can involve pressure and shutoff risks, so consult a licensed professional when in doubt.

Conclusion

For most bathroom leaky faucet repair jobs, start with a clear diagnosis of your faucet type and brand. The Danco cartridge kit suits Delta single-handle owners who know the cartridge is failing, while the Rocky Mountain Goods and Fits Delta two-handle kits provide more complete sets for Delta faucets with several worn parts. Owners of other brands, or those with unknown fixtures, will find the NBRINGO universal assortment more useful. The Home Impressions kit is the match for washerless cartridge faucets, and the XBVV assortment suits budget-minded owners of compression faucets. Matching the part to the faucet matters more than the price of the kit.

Sources

• WaterSense guidance on fixing household leaks and saving water (epa.gov)
• Consumer safety information on home repair and plumbing hazards (cpsc.gov)
• Plumbing product standards and code references for fixtures and fittings

Related reading

• Bathroom Faucet Repair Kits: How to Fix a Leaky Faucet in 6 Steps
• Bathroom Tub Faucet Parts: Identify, Repair and Replace Each One
• Bathroom Faucet Stopper Repair: A Practical Guide (2026)
• 4 Best Delta Bathroom Faucet Repair Kit Picks for Every Fix
• 3 Best Delta Bathroom Faucet Repairs Kits for Every Fix (2026)
• 2 Handle Moen Bathroom Faucet Repair: A Step-by-Step Guide (2026)

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