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Description
ARRMA Main Diff Gear 42T Straight Cut GP5 ARA311017The ARRMA ARA311017 Main Diff Gear is a 42T straight cut GP5 steel differential gear designed for compatible ARRMA drivetrain assemblies needing durable power transfer and correct GP5 gear pairing. Features 42T Main Diff Gear: Designed as a replacement main differential gear for compatible ARRMA GP5 drivetrain setups Strong Steel Construction: Machined from steel for long lasting durability and consistent performance Straight Cut Tooth Profile:
The ARRMA ARA311017 Main Diff Gear is a 42T straight cut GP5 steel differential gear designed for compatible ARRMA drivetrain assemblies needing durable power transfer and correct GP5 gear pairing.
Features
- 42T Main Diff Gear: Designed as a replacement main differential gear for compatible ARRMA GP5 drivetrain setups
- Strong Steel Construction: Machined from steel for long-lasting durability and consistent performance
- Straight-Cut Tooth Profile: Straight-cut gear teeth support smooth and reliable operation in demanding RC conditions
- Precision Gear Teeth: 42 accurately manufactured teeth help provide consistent drivetrain power transfer
- GP5 Configuration: Gear profile 5 design is made to be used with the matching GP5 main input gear
- Useful Spare Part: Ideal to keep in your RC toolbox for differential rebuilds, drivetrain maintenance, or replacing worn gears
Specifications
- Brand: ARRMA
- Part Number: ARA311017
- Product Type: Main differential gear
- Tooth Count: 42T
- Gear Cut: Straight cut
- Gear Profile: GP5
- Material: Steel
- Required Pairing: ARRMA ARA311016 Main Input Gear 15T GP5
- Fits On: ARRMA AR310433 diff case
- Application: Compatible ARRMA GP5 drivetrain and differential assemblies
- Intended Use: Replacement main diff gear for differential servicing and drivetrain repair
Includes
- 1 x ARRMA main diff gear 42T straight cut GP5
FAQ
What input gear does the ARRMA ARA311017 main diff gear need? The ARRMA ARA311017 main diff gear must be paired with the ARRMA ARA311016 Main Input Gear 15T GP5.
What diff case does the ARRMA ARA311017 fit on? The ARRMA ARA311017 main diff gear fits on the ARRMA AR310433 diff case.
What tooth count is this main diff gear? The ARRMA ARA311017 main diff gear has 42 precision manufactured gear teeth.
Is the ARRMA ARA311017 gear spiral cut? No. The ARRMA ARA311017 main diff gear uses a straight-cut tooth profile.
Will this fit every ARRMA differential? No. OZRC recommends checking your ARRMA vehicle manual or exploded diagram to confirm ARA311017 is the correct GP5 main diff gear before installation.
Important Notes
- Must be paired with ARRMA ARA311016 Main Input Gear 15T GP5.
- Fits on ARRMA AR310433 diff case where specified by the vehicle manual or exploded diagram.
- This listing is for one main diff gear only. Input gear, diff case, bearings, shims, screws, seals, and diff oil are not included.
- Correct gear pairing, shimming, bearing condition, and diff assembly are important for reliable drivetrain performance.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
100% would recommend, FAST and PORTABLE
The Anker 65W 3-Port Fast Compact Foldable USB-C Charger is a really nice charger overall. It has foldable prongs and 3 different ports, which makes it super useful for charging multiple devices at once, especially for college students or travel setups. It’s also really portable and easy to throw into a backpack but hefty in quality.
The charging speed is excellent too. I can charge my MacBook from around 30% to 65% in about an hour. It does get a little warm while charging, but it cools down well and has never been an issue for me.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Compact, lots of power, great for travel.
I tested it at full power. It does what its advertised to do.
At full power it does get fairly warm, not near warm enough to be a hazard.
It can't be covered up, It may overheat if it's covered with stuff.
I got it for travel. It will charge my computer, tablet and phone just fine.
It shares the 65W, so charging of each device may slow as you plug in more devices
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Reviewed in the United States on May 30, 2026
★★★★★ 4
Sticks out a lot.
Nice and reliable no problems so far. but does stick out the wall more than other models.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
The Only Charger You’ll Ever Need!
The Anker 735 Charger (GaNPrime 65W) is a total game-changer for anyone tired of carrying multiple "bricks" for their laptop, phone, and earbuds. It packs a massive amount of power into a surprisingly small, foldable design.
What I liked:
True All-in-One: With two USB-C ports and one USB-A port, it can fast-charge a MacBook Air, an iPhone, and AirPods all at the same time.
Intelligent Power Allocation: It uses PowerIQ 4.0 technology, which automatically detects the power needs of each connected device and adjusts the output in real-time for the fastest possible charge.
Ultra-Compact: Thanks to GaN (Gallium Nitride) technology, it is about 53% smaller than a standard 67W laptop charger. The foldable plug makes it perfect for tossing into a travel bag or pocket.
ActiveShield 2.0: I really appreciate the peace of mind that comes with its advanced temperature monitoring, which checks the heat over 3 million times a day to protect your expensive devices.
Note: To get the full 65W speed for your laptop, make sure you are using a high-quality USB-C cable rated for 100W!
Whether you’re working from a coffee shop or traveling internationally, this is the most reliable and efficient charging block on the market. It’s a bit of an investment, but the build quality and convenience are worth every cent.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
The 65W version is just as solid as the 47W I already own
I bought the 47W Anker Nano charger a while back and loved it, so when I needed a bit more power I grabbed this 65W version. Honestly, the experience is almost identical - which is exactly what I was hoping for. Same compact puck design, same foldable prongs that make it perfect for travel, same Anker reliability.
I've been using it with my Samsung Z Flip 7 and it charges incredibly fast on fast charge mode. The phone recognizes it immediately and you can watch the percentage climb. But what I really appreciate about stepping up to the 65W model is the extra headroom. When I need to charge my laptop or other more demanding devices, this charger handles them without breaking a sweat. The 47W is great for phones and smaller tablets, but having that extra wattage gives me more flexibility.
The folding prongs continue to be one of my favorite features. It's such a simple thing but makes a huge difference when you're tossing it in a bag. No snagging, no scratching other items. The size is still impressively small for the amount of power it delivers.
This is one of those products that just works. No fuss, no weird charging issues, just plug it in and go. If you already have the 47W version and need more power, this is a no-brainer upgrade. If you're choosing between the two, I'd say go with the 65W unless you're absolutely certain you'll only ever charge phones and tablets. The peace of mind of having extra power available is worth it.
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Reviewed in the United States on January 6, 2026