3 Best Delta Bathroom Faucet Repairs Kits for Every Fix (2026)

Updated November 2026

Finding the right delta bathroom faucet repairs kit saves a trip to the hardware store and a lot of guesswork. Most Delta bathroom faucets fail in predictable ways: a drip from a worn cartridge, a handle that feels stiff, or water leaking around the base. The kit you need depends on which part has failed, how many handles your faucet has, and whether the model uses a single-handle cartridge or a two-handle stem design. This guide compares three widely available repair kits and explains how to match each one to your faucet. The selection criteria were compatibility with common Delta cartridge and stem types, the completeness of the included parts, brand reputation, and the patterns owners tend to report after installation.

Our Top Picks

Quick Comparison

Product	Best for	Key feature
Danco Cartridge Repair Kit for Delta Single-Handle Faucet, Brass (86970)	Single-handle Delta faucets with a dripping cartridge	Brass cartridge replacement designed for Delta single-handle models
2-Pack for RP25513 Faucet Stem Assembly for Delta Faucet Cartridge Parts Replacement	Two-handle Delta faucets with stem leaks	Two-pack stem assembly with seats, springs and stops
Delta Faucet RP77738 Bathroom Repair Kit, Chrome	Owners who want a simple, low-cost seal and part refresh	Chrome-finish Delta-branded repair kit

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

Best for: Single-handle Delta bathroom faucets that drip or run hot and cold incorrectly.

This kit suits homeowners whose single-handle Delta faucet has developed a drip or a handle that no longer sets the temperature cleanly. A failing cartridge is the most common cause of these symptoms, and replacing the cartridge is usually faster than rebuilding the whole faucet.

Key specs

• Designed as a cartridge repair kit for Delta single-handle faucets
• Brass cartridge body
• Listed as a Danco product, a brand widely known for Delta-compatible replacement cartridges

Pros

• Targets the most common single-handle failure point
• Brass construction is a durable material choice for a cartridge
• Replacing the cartridge avoids rebuilding multiple small parts

Cons

• Only useful if your faucet is a single-handle Delta model
• Requires you to confirm the cartridge matches your specific Delta series before installing

Bottom line: Best for owners of a single-handle Delta faucet who have identified a worn cartridge as the source of a drip or temperature problem.

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2-Pack for RP25513 Faucet Stem Assembly for Delta Faucet Cartridge Parts Replacement

Best for: Two-handle Delta bathroom faucets with leaks at the stem.

Two-handle faucets use stems, seats and springs rather than a single cartridge. This two-pack targets that design and is a practical choice for owners who need to replace stem components in more than one location or keep a spare on hand.

Key specs

• Two-pack stem assembly for Delta two-handle faucets
• Listing references RP24096 and RP4993 seats and springs, and an RP24097 quarter-turn stop

Pros

• Two units give you a spare or a second faucet fix
• Matches the stem-based design of many two-handle Delta models
• Lists the related seats, springs and stops in the description

Cons

• Not suitable for single-handle or cartridge-style faucets
• Stem compatibility should be checked against the existing part number before ordering

Bottom line: Best for two-handle Delta owners who have traced a leak to the stem and want a matched set of parts.

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Delta Faucet RP77738 Bathroom Repair Kit, Chrome

Best for: A simple, budget-conscious refresh of a chrome Delta bathroom faucet.

This Delta-branded kit suits owners who want a straightforward set of replacement parts without adding a specialty component. It fits naturally into a routine repair when a faucet has begun to weep or feel sluggish.

Key specs

• Delta-branded bathroom repair kit
• Chrome finish listed in the product name

Pros

• Brand match with the faucet manufacturer simplifies compatibility
• Chrome finish is a common match for many Delta bathroom fixtures
• Well suited to a basic seal and part refresh

Cons

• Less specialized than a dedicated cartridge kit for diagnosing a specific failure
• Owners with a stubborn drip may need a cartridge-specific part instead

Bottom line: Best for chrome Delta faucet owners who want a simple, brand-matched refresh and have not yet pinpointed the failed part.

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Buying Guide

Identify your faucet type first

Single-handle Delta faucets almost always use a cartridge, while two-handle models use stems, seats and springs. Buying the wrong style of kit is the most common mistake. Look at the number of handles and whether the handle moves up and down (single) or turns separately (two-handle).

Good picks for this: Danco Cartridge Repair Kit for Delta Single-Handle Faucet, Brass (86970); 2-Pack for RP25513 Faucet Stem Assembly

Check the part number on your faucet

Delta series and model numbers determine which cartridge or stem fits. Remove the old part and read its markings, or check the faucet’s installation sheet. Matching the number before ordering prevents a return trip.

Good picks for this: 2-Pack for RP25513 Faucet Stem Assembly; Delta Faucet RP77738 Bathroom Repair Kit, Chrome

Match the finish

Chrome, brass and other finishes can look mismatched after a repair if the replacement part is visible. Kits that specify a finish make matching easier, and most internal parts are hidden anyway, but exposed components such as handle-adjacent trim should match the faucet.

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

Consider how complete the kit is

Some kits include only a cartridge, while others add seats, springs, O-rings or stops. A more complete kit reduces the chance of a second repair trip if a small part was also worn. Compare the component list rather than the headline item.

Good picks for this: 2-Pack for RP25513 Faucet Stem Assembly; Danco Cartridge Repair Kit

Think about use frequency and durability

Bathroom faucets in busy households cycle many times a day, so internal parts wear faster. Brass cartridges and metal stems generally hold up better to repeated use than purely plastic components, though manufacturer specifications vary by model.

Good picks for this: Danco Cartridge Repair Kit for Delta Single-Handle Faucet, Brass (86970)

Plan for installation and tools

Most cartridge and stem replacements need a screwdriver or Allen key, plug-removal tools, and sometimes a cartridge puller. Shut off the water supply before disassembly and keep parts in order. If you are unsure, a licensed plumber can complete the job safely.

Good picks for this: Delta Faucet RP77738 Bathroom Repair Kit, Chrome; 2-Pack for RP25513 Faucet Stem Assembly

Set realistic expectations for a repair versus replacement

A repair kit makes sense when the faucet body is sound and only internal parts have failed. If the finish is badly corroded or the body cracks, replacing the whole faucet may be the better choice. Repairs are most cost-effective on faucets that are otherwise in good condition.

Good picks for this: Danco Cartridge Repair Kit for Delta Single-Handle Faucet, Brass (86970); Delta Faucet RP77738 Bathroom Repair Kit, Chrome

FAQ

Can I use one kit for every Delta bathroom faucet?

No. Delta uses different cartridge and stem designs across series. Confirm the model or part number before buying, because a kit that fits one series may not fit another.

How do I know if my faucet needs a cartridge or stem?

Single-handle faucets use a cartridge. Two-handle faucets use stems with seats and springs. Counting the handles and observing how the handle operates usually settles it.

Do I need to shut off the water before repairing?

Yes. Close the shutoff valves under the sink or the main supply, then open the faucet to release pressure before disassembly. This prevents water from spilling into the cabinet.

Why does my faucet still drip after replacing the cartridge?

The new part may not match the model, the seat may be worn, or debris may be trapped in the valve body. Re-check the part number, clean the valve seat, and reinstall the cartridge carefully.

How long should a repair kit last?

Service life depends on water quality, household use and the quality of the part. Owners commonly report that replacing a worn cartridge or stem restores normal operation, but wear rates vary.

Is it worth repairing an old Delta faucet?

Often yes, if the body, finish and handle are in good shape. Repairing internal parts is usually less work than replacing the whole fixture, but corroded or cracked bodies generally warrant replacement.

When should I call a plumber?

If you cannot identify the part, the valve is seized, the water supply is damaged, or you notice leaks inside the wall, consult a licensed plumber. Persistent leaks can cause water damage, so professional help is worth considering.

Conclusion

For most single-handle Delta bathroom faucets, a cartridge kit such as the Danco Cartridge Repair Kit is the most direct fix for a drip or temperature problem. Two-handle owners with stem leaks should look at the stem assembly two-pack, while the Delta-branded RP77738 kit suits a simple, brand-matched refresh of a chrome faucet. Confirm your faucet type and part number first, and the right kit will be straightforward to install.

Sources

• Guidance on water conservation and fixing household leaks that waste water (epa.gov)
• Consumer safety information on home repair and plumbing-related hazards (cpsc.gov)
• Standards and certification information for drinking-water plumbing components (nsf.org)

Related reading

• 4 Best Delta Bathroom Faucet Repair Kit Picks for Every Fix
• Delta Trinsic Bathroom Faucet Review: Key Features Explained
• Delta Nicoli Bathroom Faucet Review: Is It Worth It?
• Delta Bathroom Faucet Champagne Bronze Review: Is It Worth It?
• Cassidy Delta Bathroom Faucet Review: Features and Performance
• Bathroom Tub Faucet Parts: Identify, Repair and Replace Each One

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