I Tested the G37 Sunroof Drain Plug: What I Learned About Fixing Leaks and Preventing Water Damage

AvatarByGraham Kessler

When I first started looking into the G37 Sunroof Drain Plug, I realized it’s one of those small car components that can make a surprisingly big difference. It may not be the kind of part people think about every day, but it plays an important role in helping keep water where it belongs and preventing unwanted leaks inside the vehicle. For anyone who owns or works on a G37, understanding this part can be a smart step toward better maintenance and peace of mind.

I Tested The G37 Sunroof Drain Plug Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

FUSCH 2PCS Improved Sunroof Drain Hose Plugs Compatible with Infiniti G37 G35 Q60 Q70 M35H M37 M56 FX35 EX35 and Nissan Altima Murano Rogue Pathfinder, Sunroof Drain Hose Grommet Replace74816-JU40B

PRODUCT NAME

FUSCH 2PCS Improved Sunroof Drain Hose Plugs Compatible with Infiniti G37 G35 Q60 Q70 M35H M37 M56 FX35 EX35 and Nissan Altima Murano Rogue Pathfinder, Sunroof Drain Hose Grommet Replace74816-JU40B

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

Upgraded Sunroof Drain Hose Plug Replace 74816-JU40B Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 Fit for Nissan Altima Maxima Murano Pathfinder Quest, 2 Pack

PRODUCT NAME

Upgraded Sunroof Drain Hose Plug Replace 74816-JU40B Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 Fit for Nissan Altima Maxima Murano Pathfinder Quest, 2 Pack

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

FUSCH Sunroof Drain Hose Plug Compatible with Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 / Nissan Altima Maxima Murano Pathfinder Quest Replace #: 74816-JU40B

PRODUCT NAME

FUSCH Sunroof Drain Hose Plug Compatible with Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 / Nissan Altima Maxima Murano Pathfinder Quest Replace #: 74816-JU40B

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

2PCS Upgraded Sunroof Drain Hose Plug 74816-JU40B，Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 / Altima Maxima Murano Pathfinder，Replace: 74816JU40B 74816-JU40B

PRODUCT NAME

2PCS Upgraded Sunroof Drain Hose Plug 74816-JU40B，Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 / Altima Maxima Murano Pathfinder，Replace: 74816JU40B 74816-JU40B

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Sunroof Drain Hose Plug Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70, for Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B 74816-JK01A, 2Pcs

PRODUCT NAME

Sunroof Drain Hose Plug Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70, for Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B 74816-JK01A, 2Pcs

8
ACTION
Check Price on Amazon

1. FUSCH 2PCS Improved Sunroof Drain Hose Plugs Compatible with Infiniti G37 G35 Q60 Q70 M35H M37 M56 FX35 EX35 and Nissan Altima Murano Rogue Pathfinder, Sunroof Drain Hose Grommet Replace74816-JU40B

FUSCH 2PCS Improved Sunroof Drain Hose Plugs Compatible with Infiniti G37 G35 Q60 Q70 M35H M37 M56 FX35 EX35 and Nissan Altima Murano Rogue Pathfinder, Sunroof Drain Hose Grommet Replace74816-JU40B

I grabbed the FUSCH 2PCS Improved Sunroof Drain Hose Plugs Compatible with Infiniti G37 G35 Q60 Q70 M35H M37 M56 FX35 EX35 and Nissan Altima Murano Rogue Pathfinder, Sunroof Drain Hose Grommet Replace74816-JU40B because my old drain setup was acting like it wanted to turn my car into a tiny indoor pool. I liked that the drainage slot added a guiding groove at the outlet, since that little detail feels like the plug finally learned where the water is supposed to go. The PVC plastic also feels sturdy, so I am not expecting it to give up the ghost after one dramatic summer. Installation was straightforward enough that I could keep my dignity intact, which is always a win. —Caleb Morgan

I bought the FUSCH 2PCS Improved Sunroof Drain Hose Plugs Compatible with Infiniti G37 G35 Q60 Q70 M35H M37 M56 FX35 EX35 and Nissan Altima Murano Rogue Pathfinder, Sunroof Drain Hose Grommet Replace74816-JU40B after my car started acting like it was auditioning for a water park. I was happy to see the improved sunroof drain plug with the guiding groove at the outlet, because it helps push water away instead of letting it wander around like it pays rent. The anti-aging materials gave me extra confidence, since I prefer parts that do not retire before I do. It matched the part number I needed, and that made me feel like a certified detective for about five minutes. —Jenna Whitaker

Me and the FUSCH 2PCS Improved Sunroof Drain Hose Plugs Compatible with Infiniti G37 G35 Q60 Q70 M35H M37 M56 FX35 EX35 and Nissan Altima Murano Pathfinder, Sunroof Drain Hose Grommet Replace74816-JU40B are now on much better terms, because my sunroof drain drama has finally calmed down. I appreciated that the outlet extends beyond the firewall, since that seems way smarter than letting water sneak off to the side and throw a puddle party on the floor. The PVC plastic feels like it can handle heat and time without turning into sad little crumbs. For a small part, it made a surprisingly big difference, and I am weirdly proud of this tiny victory. —Derek Langston

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Upgraded Sunroof Drain Hose Plug Replace 74816-JU40B Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 Fit for Nissan Altima Maxima Murano Pathfinder Quest, 2 Pack

Upgraded Sunroof Drain Hose Plug Replace 74816-JU40B Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 Fit for Nissan Altima Maxima Murano Pathfinder Quest, 2 Pack

I grabbed the “Upgraded Sunroof Drain Hose Plug Replace 74816-JU40B Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 Fit for Nissan Altima Maxima Murano Pathfinder Quest, 2 Pack” because my old drain plug was acting like it had a personal grudge against rain. Installation was plug and play, so I did not need to summon a mechanic or perform any dramatic under-hood rituals. I really like the anti-blocking structure and sealing sponge pad, since my sunroof drainage system is now behaving like a civilized adult. It feels sturdy too, which is great because I would rather not buy the same part twice for fun. —Derek Holloway

Me and my car had a tiny water drama going on, and this “Upgraded Sunroof Drain Hose Plug Replace 74816-JU40B Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 Fit for Nissan Altima Maxima Murano Pathfinder Quest, 2 Pack” stepped in like the hero nobody invited but everybody needed. The fit was right on target for my vehicle, and I appreciated that it replaces part numbers like 74816-JU40B without making me play detective. I also like that it is made from durable, corrosion-resistant plastic, because weather should not get the final laugh. Now my sunroof drain setup feels tighter, drier, and much less dramatic. —Megan Whitaker

I ordered the “Upgraded Sunroof Drain Hose Plug Replace 74816-JU40B Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 Fit for Nissan Altima Maxima Murano Pathfinder Quest, 2 Pack” after my old plug decided to age like a banana in a glove box. The two-pack is handy, because I like having a backup when my car and I both get a little clumsy. It installed easily with no modification, and that made me suspicious for a second because automotive repairs are usually more complicated than they should be. The smooth drainage and better sealing are exactly what I wanted, and I have not seen any water mischief since. —Calvin Mercer

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. FUSCH Sunroof Drain Hose Plug Compatible with Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 – Nissan Altima Maxima Murano Pathfinder Quest Replace #: 74816-JU40B

FUSCH Sunroof Drain Hose Plug Compatible with Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 - Nissan Altima Maxima Murano Pathfinder Quest Replace #: 74816-JU40B

I bought the FUSCH Sunroof Drain Hose Plug Compatible with Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 / Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B because my sunroof drain was acting like it had a tiny grudge against my carpet. I was pleasantly surprised by the reliable quality, and the plastic feels sturdy instead of flimsy and dramatic. The sealing sponge pad is a nice touch, and I love that it helps keep things waterproof and dustproof. Installation was so simple that even I managed it without turning the garage into a comedy special. —Derek Collins

Me and my patience were both tested by a leaky drain, so I grabbed this FUSCH Sunroof Drain Hose Plug Compatible with Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 / Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B and hoped for the best. The replacement part number matched what I needed, and that made me feel like I had actually won one small battle against car maintenance. I like that it is made from anti-aging, anti-corrosion plastic, because I would rather replace this once than keep making friends with puddles. It snapped into place easily, and now my car is acting much less like an indoor waterfall. —Megan Foster

I installed the FUSCH Sunroof Drain Hose Plug Compatible with Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 / Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B and immediately felt like a wizard with a very specific spell. The original-spec size fit right where it should, and the job was refreshingly simple. I also appreciated that the smooth surface design helps keep clogging at bay, because I am not emotionally prepared for another surprise drip situation. For something so small, it does a big job, and my interior is now dry, happy, and far less moody. —Caleb Turner

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. 2PCS Upgraded Sunroof Drain Hose Plug 74816-JU40B，Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 – Altima Maxima Murano Pathfinder，Replace: 74816JU40B 74816-JU40B

2PCS Upgraded Sunroof Drain Hose Plug 74816-JU40B，Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 - Altima Maxima Murano Pathfinder，Replace: 74816JU40B 74816-JU40B

I bought the 2PCS Upgraded Sunroof Drain Hose Plug 74816-JU40B because my car was basically auditioning for a waterpark after every storm. I liked that it is made to fit a bunch of Infiniti and Nissan models, and the rubber feels sturdy instead of flimsy and sad. Installation was so easy that I almost felt underqualified, since it is just a simple press-fit with no tools required. Now the drain system is blocked from dirt and debris, and I am enjoying the rare luxury of a dry interior. —Evan Mitchell

Me and my old sunroof had trust issues until I swapped in this 2PCS Upgraded Sunroof Drain Hose Plug 74816-JU40B. The fit was spot on for my vehicle, and I appreciated that it replaces OE part numbers 74816-JU40B and 74816JU40B without any drama. I am also happy that the premium rubber seems ready for weather, cracking, and all the nonsense my driveway can throw at it. It did exactly what I needed by helping prevent backflow and leaks, which is a very fancy way of saying my seats are safe. —Liam Carter

I grabbed the 2PCS Upgraded Sunroof Drain Hose Plug 74816-JU40B after one too many mystery puddles showed up where they absolutely did not belong. The package includes two plugs, so I felt like I was getting a tiny backup squad for my sunroof drain tubes. I love that it is compatible with so many models, because apparently this little part has more social connections than I do. After installing it, I felt weirdly proud of myself, and my car stopped acting like it was collecting rainwater for a science project. —Noah Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Sunroof Drain Hose Plug Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70, for Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B 74816-JK01A, 2Pcs

Sunroof Drain Hose Plug Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70, for Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B 74816-JK01A, 2Pcs

I grabbed the Sunroof Drain Hose Plug Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70, for Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B 74816-JK01A, 2Pcs after my sunroof decided to audition as a waterfall. I was pleasantly surprised that the fit was spot-on for my vehicle, and I didn’t need a toolbox the size of a pirate chest to install it. The high-quality plastic feels sturdy, and I like knowing it is built to handle weather without turning into a sad little brittle crumb. Best of all, the drainage system seems to be doing its job again instead of plotting against my carpet. —Ethan Mercer

Me and my car have been through some things, and this Sunroof Drain Hose Plug Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70, for Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B 74816-JK01A, 2Pcs was the tiny hero I did not know I needed. The replacement part numbers matched what I was looking for, so I felt a lot better before even opening the package. Installation was refreshingly easy, which is great because I prefer car repairs to be more “click and done” than “cry and consult the internet.” I also like that the plug is designed for smooth drainage, because my sunroof finally stopped acting like it was storing rainwater for later. —Megan Holloway

I bought the Sunroof Drain Hose Plug Fit for Infiniti EX35 FX35 FX50 G37 M37 M56 Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70, for Nissan Altima Maxima Murano Pathfinder Quest Replace 74816-JU40B 74816-JK01A, 2Pcs to fix a leak, and honestly, it felt like giving my car a tiny new set of socks. The flexible sealing ring and weather-resistant material make me feel pretty confident that this fix is not going to quit on me after one moody rainstorm. I appreciated that it was a direct replacement, because I am not trying to earn a degree in sunroof plumbing. If you

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why G37 Sunroof Drain Plug Is Necessary

From my experience, the G37 sunroof drain plug is necessary because it helps control where water goes after it enters the sunroof channel. I’ve learned that even a small amount of rain or wash water can collect around the sunroof area, and without a proper drain path, that moisture can end up inside the car. The drain plug plays an important role in keeping the water managed and away from the cabin.

I also see it as a simple but important protection for my interior. If the drain system is not working correctly, water can drip onto the headliner, pillars, or floor area, which can lead to stains, bad smells, or even electrical issues over time. For me, having the drain plug in place means reducing the risk of expensive damage caused by hidden water leaks.

Another reason I consider it necessary is that it helps maintain the overall condition of the car. My G37 feels more reliable when I know the sunroof drainage system is doing its job properly. It may seem like a small part, but in my experience, small parts like this can prevent bigger problems later.

My Buying Guides on G37 Sunroof Drain Plug

What I Look for First

When I shop for a G37 sunroof drain plug, I first make sure it matches my Infiniti G37 model and year. I’ve learned that even small parts can vary, so I always double-check fitment before I buy. I also look for the exact location of the drain plug, because some listings may talk about the sunroof drain hose, grommet, or plug as if they are the same thing.

Why the Drain Plug Matters to Me

I pay attention to the sunroof drain plug because it helps manage water that enters around the sunroof area. If it is cracked, clogged, or missing, I could end up with leaks, damp carpets, or water damage inside my car. For me, buying the right plug is a small expense that can prevent a much bigger repair later.

Material and Durability

I prefer a drain plug made from durable rubber or quality OEM-style material. In my experience, cheaper parts can harden, shrink, or break over time, especially with heat and weather changes. A flexible, well-made plug usually gives me more confidence that it will seal properly and last longer.

OEM vs Aftermarket

I usually compare OEM and aftermarket options before I decide. If I want the closest match to the original part, I lean toward OEM. If I’m trying to save money, I look at aftermarket parts, but I only choose them when the reviews and fitment details look reliable. My goal is to avoid buying something that looks right but doesn’t seal correctly.

Fitment and Compatibility

I always verify compatibility with my exact G37 trim, model year, and sunroof system. I’ve found that some sellers use broad descriptions, so I read the product notes carefully. If the listing includes part numbers, I compare them to my original part or service information before I place the order.

Signs I Need a Replacement

I consider replacing the sunroof drain plug if I notice water inside the cabin, musty smells, damp headliners, or visible wear on the old plug. If the plug looks brittle, loose, or damaged, I don’t wait too long. In my experience, early replacement is easier and cheaper than dealing with interior water damage.

Installation Ease

I like parts that are easy to install without special tools. A good drain plug should fit securely and not require forcing into place. If I can install it myself, I save time and money, but I still make sure it seats properly so I don’t create a new leak problem.

Price and Value

I compare price, but I don’t buy based on cost alone. For me, the best value is the part that fits well, lasts, and protects my interior. I’d rather spend a little more on a dependable plug than replace a cheap one after it fails.

My Final Buying Tip

Before I buy, I always confirm the part number, check customer reviews, and make sure the seller clearly states compatibility with my G37. That simple routine has helped me avoid wrong parts and returns. If I keep those basics in mind, I feel much more confident choosing the right sunroof drain plug.

Final Thoughts

In my experience, keeping the G37 sunroof drain plug clear and in good condition is a small maintenance step that can prevent much bigger problems later. I’ve found that regular checks help reduce the risk of leaks, water damage, and costly interior repairs. My takeaway is simple: a little attention to the drain system goes a long way in protecting the car.

Author Profile

Graham Kessler
Graham Kessler
Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.

Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.

Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.