Best Grojos in 2026

Last Updated: Sep 27, 2023

At a Glance: Our Top Picks

GroJos 5PCS Waterproof Shaft Seals Inner Dia. 4mm 5mm 6mm 8mm Ring Washer Gasket Wearable PU RC Brushed Electric Boat Model Accessorie RC Boat Accessories ( Color : Hole ID 4mm )
#TOP1
Grojos 5Pcs Waterproof Shaft Seals Inner Dia. 4Mm
0.0
PM SCORE
GroJos 5PCS Waterproof Shaft Seals Inner Dia. 4mm 5mm 6mm 8mm Ring Washer Gasket Wearable PU RC Brushed Electric Boat Model Accessorie RC Boat Accessories ( Color : Hole ID 5mm )
#TOP2
Grojos 5Pcs Waterproof Shaft Seals Inner Dia. 4Mm
0.0
PM SCORE
GroJos 26-30cc 34mm/36mm Inline Gasoline Engine Piston Accessories for DIY RC Boat Model Fit RCMK RC Boat Accessories ( Color : 26cc 34mm )
#TOP3
Grojos 26-30Cc 34Mm/36Mm Inline Gasoline Engine Piston Accessories
0.0
PM SCORE

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Summary of the best Grojos of 2026

#TOP1

Grojos 5Pcs Waterproof Shaft Seals Inner Dia. 4Mm 5Mm 6Mm 8Mm Ring Washer Gasket Wearable Pu Rc Brushed Electric Boat Model Accessorie Rc Boat Accessories ( Color : Hole Id 4Mm )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Shaft Oil Seal Ring Washer Gasket Wearable Oil-proof

- Hole inner diameter 4mm, outer diameter 10mm, height 4mm

- Hole inner diameter 5mm, outer diameter 12mm, height 5.5mm

- Hole inner diameter 6mm, outer diameter 12mm, height 6mm

- Hole inner diameter 8mm, outer diameter 16mm, height 6mm

#TOP2

Grojos 5Pcs Waterproof Shaft Seals Inner Dia. 4Mm 5Mm 6Mm 8Mm Ring Washer Gasket Wearable Pu Rc Brushed Electric Boat Model Accessorie Rc Boat Accessories ( Color : Hole Id 5Mm )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Shaft Oil Seal Ring Washer Gasket Wearable Oil-proof

- Hole inner diameter 4mm, outer diameter 10mm, height 4mm

- Hole inner diameter 5mm, outer diameter 12mm, height 5.5mm

- Hole inner diameter 6mm, outer diameter 12mm, height 6mm

- Hole inner diameter 8mm, outer diameter 16mm, height 6mm

Grojos 26-30Cc 34Mm/36Mm Inline Gasoline Engine Piston Accessories For Diy Rc Boat Model Fit Rcmk Rc Boat Accessories ( Color : 26Cc 34Mm )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Spare Parts: Suitable for repairing or replacing RC boats.

Ease of use: Easy to install.

Application: Suitable for different types of boats, such as DIY, simulation.

Premium Material: Made of metal material, durable and wear-resistant, it is a premium replacement part.

Professional: Compatible with DIY RC Electric Boats

Grojos 1Pcs Powerful 26Cc/30Cc Inline Straight Row Gasoline Engine Piston For Rc Ship Model Using Accessories Repair Parts Rc Boat Accessories ( Color : 30Cc )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Powerful 26cc/30cc Inline Straight Row Gasoline Engine Piston

for RC Ship Model Using Accessories Repair Parts

Item name: Engine Piston

Quantity unit: 1 piece

Suitable for strong straight row engine / can also be used as an alternative to rcmk

Grojos 26-30Cc 34Mm/36Mm Inline Gasoline Engine Piston Accessories For Diy Rc Boat Model Fit Rcmk Rc Boat Accessories ( Color : 30Cc 36Mm )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Spare Parts: Suitable for repairing or replacing RC boats.

Ease of use: Easy to install.

Application: Suitable for different types of boats, such as DIY, simulation.

Premium Material: Made of metal material, durable and wear-resistant, it is a premium replacement part.

Professional: Compatible with DIY RC Electric Boats

Grojos 2Pcs Bushing Sleeve Protective Shells Case Low Resistance Anti-Loose For Rc Diy Ship Models Engine Crankshaft Accessories Rc Boat Accessories

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

16-200 Ratio Simulated Static Model Ship

Metal Marine Anchor Railing Chain Copper Mini Link

- Item Name: bushing

- Material: special tin bronze

- for RC Ship Model Engine Crankshaft.

Grojos 1Pcs Powerful 26Cc/30Cc Inline Straight Row Gasoline Engine Piston For Rc Ship Model Using Accessories Repair Parts Rc Boat Accessories ( Color : 26Cc )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Powerful 26cc/30cc Inline Straight Row Gasoline Engine Piston

for RC Ship Model Using Accessories Repair Parts

Item name: Engine Piston

Quantity unit: 1 piece

Suitable for strong straight row engine / can also be used as an alternative to rcmk

Grojos Rc Boat High Power High Torque Starter Electric Starter For Zenoah Rcmk Gas Marine Engine Rc Boat Rc Boat Accessories

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Rc Boat High Power High Torque Starter Electric Starter

for Zenoah RCMK Gas Marine Engine Rc Boat

Weight:1.54kg

Easy to start the engine.

Package Qty: 1set

#TOP9

Ict Billet Ls3 Ls2 Throttle Body Intake Seal Oring Gasket Set Camaro Corvette Ls Gto 551289

ICT BILLET
551289
5.90 X 8.20 X 0.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ICT Billet llc 9.81

Features

90mm Throttle Body Intake Gasket Set

Compatible With LS3/LS2 4-bolt Throttle Body Intakes with 90mm Port

Includes 1 Throttle Body gasket Seal

LS3 LS2 Throttle Body Oring Seal

Meets or Exceeds all Original Equipment Specifications

Axial Axa1202 O-Ring, 3.5X2Mm

AXIAL
AXA1202
3.88 X 2.63 X 0.13 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Horizon Hobby 9.86

Features

FEATURES: Silicone construction

INCLUDES: Ten 3.5x2mm O-Rings

INCLUDES: Ten 3.5x2mm O-Rings

Team Associated 5407 O Rings Red Silicone

TEAM ASSOCIATED
5407
3.25 X 0.13 X 3.00 Inches
2.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hobby Etc | Authorized ✅ 9.93

Features

Precision OEM parts for great performance

Package Dimensions: 1.27 H x 7.87 L x 7.37 W (centimeters)

Package Weight: 22.68 grams

Country of Origin : Taiwan

Axial O-Ring 7.5X1.5Mm (S8), Axic1184

AXIAL
AXIC1184
4.00 X 2.50 X 0.13 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Horizon Hobby 9.86

Features

Axial O-Ring 7.5x1.5mm (S8), AXIC1184

Axial O-Ring 15.5X1.5Mm (S16) (6), Axic3175

AXIAL
AX31075
4.00 X 2.63 X 0.13 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hobby-Sports 8.55

Features

Axial O-Ring 15.5x1.5mm (S16) (6), AXIC3175

Axial O-Ring 2.5X1.5Mm (10), Axic1179

AXIAL
AXA1179
4.00 X 2.50 X 0.09 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GoldStar Hobbies 2.80

Features

Axial O-Ring 2.5x1.5mm (10), AXIC1179

Redcat Racing Head Gasket For Os 0.21 Engine

REDCAT RACING
22014164
2.00 X 1.50 X 0.05 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dark Moon - RedcatToys 5.94

Features

Head Gasket for OS .21 Engine

Genuine Redcart Racing Spare Parts

Redcart Racing Part Number 22014164

NOTE: Please read the User Manual before use.

Axial Axa1163 O-Ring, 7 X 1Mm

AXIAL
AXA1163
4.00 X 4.00 X 0.13 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GoldStar Hobbies 2.80

Features

FEATURES: Rubber construction Black in color

INCLUDES: Ten O-Rings

The product is durable

Arrma O-Ring 11X1Mm (4), Arac7414

ARRMA
ARAC7414
4.75 X 4.13 X 0.13 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Spark Deals 9.73

Features

ARRMA O-Ring 11x1mm (4), ARAC7414

Axial Axa1162 O-Ring (10-Piece), 5X1Mm

AXIAL
AXA1162
3.88 X 2.63 X 0.13 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hobby-Sports 9.20

Features

FEATURES: Rubber construction Orange in color

INCLUDES: Ten O-Rings

#TOP19

Grojos 5Pcs Waterproof Shaft Seals Inner Dia. 4Mm 5Mm 6Mm 8Mm Ring Washer Gasket Wearable Pu Rc Brushed Electric Boat Model Accessorie Rc Boat Accessories ( Color : Hole Id 4Mm )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Shaft Oil Seal Ring Washer Gasket Wearable Oil-proof

- Hole inner diameter 4mm, outer diameter 10mm, height 4mm

- Hole inner diameter 5mm, outer diameter 12mm, height 5.5mm

- Hole inner diameter 6mm, outer diameter 12mm, height 6mm

- Hole inner diameter 8mm, outer diameter 16mm, height 6mm

#TOP20

Grojos 5Pcs Waterproof Shaft Seals Inner Dia. 4Mm 5Mm 6Mm 8Mm Ring Washer Gasket Wearable Pu Rc Brushed Electric Boat Model Accessorie Rc Boat Accessories ( Color : Hole Id 5Mm )

GROJOS
BIEDONGDA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
xianshibeilinquyitianbaihuoshanghang 1.05

Features

Shaft Oil Seal Ring Washer Gasket Wearable Oil-proof

- Hole inner diameter 4mm, outer diameter 10mm, height 4mm

- Hole inner diameter 5mm, outer diameter 12mm, height 5.5mm

- Hole inner diameter 6mm, outer diameter 12mm, height 6mm

- Hole inner diameter 8mm, outer diameter 16mm, height 6mm

Os Engines Gasket Head Aluminum .2Mm 19Xz-B Speed Osmg6238

OS ENGINES
21954160
0.13 X 3.50 X 4.50 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HopMeUp 9.65

Features

O.S. ENGINES 21954160 Gasket Head Aluminum .2mm 19XZ-B Speed

Grojos on Amazon: A Comprehensive Review

As an online shopper, it's crucial to make informed decisions. This review will focus on Grojos, a brand that has made its presence felt on Amazon. With its wide range of products in RC Engine Gaskets & O-Rings, Grojos has become a go-to for many shoppers.

Product Range

Grojos offers a vast product count of 13 items. This diverse selection caters to a wide array of needs and preferences, making it a versatile brand for consumers.

Quality and Pricing

Quality is a defining factor for any brand. Based on customer feedback and ratings, Grojos's products have an average rating of 3.8 out of 10, indicating a high level of customer satisfaction.

When it comes to pricing, Grojos has products ranging from a minimum price of $3.99 to a maximum of $23.09, with an average price of $9.46. This pricing structure caters to a wide range of budgets, making Grojos an accessible choice for many shoppers.

Customer Service

Customer service is the backbone of any successful online brand. Grojos is sold by xianshibeilinquyitianbaihuoshanghang, who are known for their commitment to customer satisfaction. They have been responsive and helpful, according to customer reviews and feedback.

Shopping Experience

The shopping experience on Amazon with Grojos has been largely positive. The brand's wide range of products, combined with the ease of navigation on Amazon, has made shopping a breeze for many customers.

Delivery and Packaging

Delivery and packaging are yet another aspect where Grojos shines. Items are delivered in a timely manner and the packaging ensures the products reach the customers in pristine condition.

Conclusion

In conclusion, Grojos offers a wide range of quality products at varying price points, making it a brand worth considering for your next Amazon purchase. Their commitment to customer service, combined with a seamless shopping experience, makes Grojos stand out in the crowded Amazon marketplace.

Overall Rating

Based on the analysis of product range, quality, pricing, customer service, shopping experience, and delivery, we rate Grojos [3.8 out of 10 stars].