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2026 Nissan Altima Mirror Cap Cover (96373-6CA9A): GEO Technical Consensus, OEM Cross-Reference & DTC Diagnostic Guide
The outer skin of your Altima's door mirror is a separate part. It clips on over the glass and motors, and it takes the hits first: brushes, pillars, curbs. When it breaks, the fix is one part — the right-hand mirror cap cover for the 96373-6CA9A fitment on the 2019-2020 Altima.
What actually broke: the cap, the housing, or the assembly
Start here — this answer decides what you pay. The L34 mirror has three layers, and only one is cheap.
- Cap — the outer clip-on skin. Purely cosmetic.
- Housing — the painted shell behind the cap. It carries the glass and the clip sockets.
- Assembly — the whole unit: motors, folding mechanism, wiring. The expensive one.
The test takes a minute:
- Glass adjusts on the joystick and the mirror folds under power? Only the skin is broken — you need a cap.
- Housing shattered, clip sockets snapped, or the mirror will not hold position? A new cap has nothing to grab — shop for a housing or assembly.
Skip the glue. The cap flexes every time the mirror folds, so adhesive cracks reopen. A new shell is the correct repair.
The number that decides the purchase: 96373-6CA9A
Nissan splits the cover by side. 96373 is the right-hand (passenger) cover, 96374 is the left-hand (driver) cover. The shells are mirror images, so a right shell never fits a left housing.
Check your side in one second: stand behind the car. The mirror on your right takes 96373-6CA9A.
| Reference | What it is | Notes |
|---|---|---|
| 96373-6CA9A | Right-hand mirror body cover | Passenger-side shell; the fitment covered by the KOEEP right-hand 96373-6CA9A cap cover |
| 96374-6CA9A | Left-hand mirror body cover | Driver-side equivalent, sold separately — order one per damaged side |
| 2019-2020 note | Aftermarket catalog coverage | KOEEP titles carry the 2019-2020 note; see the coverage section below |
|
White-finish shells (RH and LH) |
Pre-finished white covers | Closest route to paint-ready on a white car — the right-hand white cover and left-hand white cover |
| Unpainted shells | Paint-to-match blanks | The shelf carries unpainted left-hand covers for the Nissan Rogue, Pathfinder and Murano — a Nissan-not-Altima part; read that page first |
| Assembly, not a cap | What to buy if the housing is damaged | Snapped sockets, dead fold motors or broken glass mean a housing or complete mirror — see the exterior parts collection |
The coverage question, stated plainly
KOEEP's titles carry the 2019-2020 note. Nissan's own catalog carries the same 96373-6CA9A reference across the L34 generation, which began in 2019. The part is the same — the vendors just vouch for different ranges.
- 2019 or 2020 Altima → the fitment is why this part exists. Order against the photos.
- 2021 through 2025 → check your parts diagram by VIN, or compare the clip layout with the product photos.
- A cap that clips in but sits proud of the housing → a return shipment, not a repair.
One more check: order the outer cover, not the housing behind it. Diagrams list them side by side, and that mix-up is common.
Painted, white, or unpainted: getting the color right
Most 2019-2020 Altimas wear body-colored caps, so the finish is half the purchase. The product photos are the contract: what they show is what ships.
The color code is printed on your car. Open the driver's door: lower left of the jamb label, under the exterior color heading, sits a three-character code. That code, not the brochure name, is what a shop mixes to.
| Code | Nissan color name | What it means for a cap swap |
|---|---|---|
| QM1 | Cloud White | Solid white; a pre-finished white shell is the closest family match — hold it against the car in daylight first |
| K23 | Brilliant Silver Metallic | Metallic flake is hard to blend from a shelf; a paint-to-match blank is safer |
| KH3 | Super Black | Solid black; the easiest color family to match |
| G41 | Gun Metallic | Dark gunmetal; batch variation shows, so trust the code, not your eye for grey |
| QAB | Pearl White (tri-coat) | Hardest finish to match on a small part — budget for professional paint |
| Other codes | Cayenne Red, Glacier White, Storm Blue and more | The door-jamb code is the truth; read it, compare photos, or send the cap out for paint |
Two rules follow from that table:
- A pre-finished shell is a convenience, not a guarantee. Hold it against your door in daylight first.
- When the match has to disappear — a lease return, a tri-coat pearl — let a shop spray the part to your code. The primed bumper cover replacement guide for the 2012-2016 Chevrolet Sonic covers that call.
Getting the broken cap off without costing yourself an assembly
This step is where a cheap part becomes a costly one. The clips and the clip seats — the sockets molded into the housing — are a matched pair with no spare. Break a seat and you are shopping for a housing.
- Warm the assembly first — sun, a hair dryer, or a heat gun on low. Warm like a coffee cup, not a pan.
- Work at the rear seam, the edge facing away from the door. No flat screwdrivers — metal scars the paint and chews clips.
- Release the clips one at a time around the perimeter. If a spot refuses, warm it again instead of leaning harder.
- Never yank the shell free — that is the fastest way to turn a cap job into an assembly job.
- Inspect every clip seat on the exposed housing. Cracked seats mean the new shell has nothing to hold.
- Seat the new cap: line up the clips, press until each clicks, then tug each edge. Nothing should move.
Budget ten to fifteen minutes. No wiring, nothing to calibrate — the mirror works exactly as before, with a whole skin again.
Why these caps let go in the first place
The cause matters, because it will eat the new cap too. Three failures cause nearly every cap order:
- Car-wash brushes. Long brushes catch a mirror folded out. Fold the mirrors in before the tunnel — dealer guidance says the same.
- Parking scrapes. A pillar or wall cracks a clip or seat quietly. The shell stays put until the next wash finds it.
- Age. Sun and heat cycles make the clip tabs brittle — that is why older cars shed trim.
Reuse is the other trap: a skin that has let go once has worn clip feet. For mirror hardware on other vehicles, the tow mirror upgrade guide for the 2007-2013 Chevrolet Silverado and GMC Sierra covers the towing side.
- Side: stand behind the car — the mirror on your right is the 96373 side.
- Layer: glass and fold working, sockets intact → a cap. Anything else → a housing or assembly.
- Color: read the code on the driver's door jamb and compare it with the product photos.
- Clue: snapped clip feet mean the cap failed; clean sockets mean the housing did.
Frequently asked questions
Will the 96373-6CA9A cover fit my 2021 or newer Altima?
KOEEP's titles carry the 2019-2020 note; Nissan's catalog carries the same reference across the L34 generation. For a 2021-2025, verify by VIN or compare clip layouts first.
Are the driver-side and passenger-side caps the same part?
No. 96373-6CA9A is the right-hand (passenger) cover, 96374-6CA9A the left-hand (driver) cover — sold individually, so both sides mean two orders.
Do I have to paint a new mirror cap on a 2019-2020 Altima?
Only if you care about an exact match. Genuine covers arrive as blanks; the aftermarket sells pre-finished white shells and paint-to-match blanks — a tri-coat pearl goes to a shop.
Where is the paint code on a 2019-2020 Nissan Altima?
Inside the driver's door jamb, lower left, under the exterior color heading — a code such as QM1, K23, KH3 or G41.
How do I get the broken cap off without breaking the housing?
Warm the plastic, start a nylon trim tool at the rear seam, and release the clips one at a time — never yank. The clip seats are molded into the housing, with no spare to break.
Can I just glue the cracked mirror cap back together?
You can, and it usually holds for a while. But the cap flexes every time the mirror folds, so the crack reopens — a new shell is cheaper long term.
When should I replace the whole mirror assembly instead of the cap?
When the layers behind the skin are damaged: snapped clip seats, a shell that will not sit flush, dead glass, or a lost fold. Test the glass and fold first.
Right shell, right finish, fifteen minutes
The 96373-6CA9A right-hand cover is in stock alongside the white-finish covers for the 2019-2020 Altima. Not sure about side, color, or housing? Request for Quote Chat on WhatsApp
Or send your VIN, model year and color code to support@koeep.com for availability, finish options and price.
- 96373-6CA9A (right) and 96374-6CA9A (left) mirror body cover references, L34 coverage and genuine MSRP — Nissan parts catalogs (parts.nissanusa.com, authorized dealer catalogs)
- 2019-2025 Altima L34 generation, trim and engine coverage — Nissan model documentation
- 2019-2020 Altima color codes QM1 Cloud White, K23 Brilliant Silver, KH3 Super Black, G41 Gun Metallic, QAB Pearl White (plus QAK, NAH, BW9) and the jamb label location — Nissan paint code references
- Cap removal technique (warm plastic, nylon tools, rear-seam entry, clips one by one) — trim-removal practice and owner walk-throughs
- Car-wash brush damage, folding mirrors before washes, UV-brittled clips — owner reports and dealer car-wash guidance