A‑1 O‑Ring Kit 382Pcs NBR70 O Ring Repair Box, Rubber Sealing Rings for Automotive Sealing

A‑1 O‑Ring Kit 382Pcs NBR70 O Ring Repair Box, Rubber Sealing Rings — main photo

A‑1 O‑Ring Kit repair box, total 382 pieces, 30 different sizes, made of NBR70 nitrile rubber. Oil‑resistant, good temperature resistance. Assorted rubber sealing rings widely used for automotive sealing, machinery maintenance and aftermarket repair work. Convenient plastic storage case for parts organization.

Tags: NBR o‑ring kit, rubber sealing rings, automotive sealing, o‑ring repair box

Product photos

A‑1 O‑Ring Kit 382Pcs NBR70 O Ring Repair Box, Rubber Sealing Rings — photo 2 A‑1 O‑Ring Kit 382Pcs NBR70 O Ring Repair Box, Rubber Sealing Rings — photo 3 A‑1 O‑Ring Kit 382Pcs NBR70 O Ring Repair Box, Rubber Sealing Rings — photo 4

Key specs: Spec & Model: Model:A‑1 O‑Ring Kit｜Material:NBR70 nitrile rubber｜Sizes:30 different specifications｜Total quantity:382 PCS｜Storage:Blue plastic sorting box｜Application:Automotive and machinery sealing repair | Spec & Model: Model:A‑1 O‑Ring Kit｜Material:NBR70 nitrile rubber｜Sizes:30 different specifications｜Total quantity:385 PCS｜Storage:Blue plastic sorting box｜Application:Automotive and machinery sealing repair

  • Spec & Model: Model:A‑1 O‑Ring Kit｜Material:NBR70 nitrile rubber｜Sizes:30 different specifications｜Total quantity:382 PCS｜Storage:Blue plastic sorting box｜Application:Automotive and machinery sealing repair
  • Spec & Model: Model:A‑1 O‑Ring Kit｜Material:NBR70 nitrile rubber｜Sizes:30 different specifications｜Total quantity:385 PCS｜Storage:Blue plastic sorting box｜Application:Automotive and machinery sealing repair

Technical summary

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SpecValue
规格型号Model:A‑1 O‑Ring Kit｜Material:NBR70 nitrile rubber｜Sizes:30 different specifications｜Total quantity:385 PCS｜Storage:Blue plastic sorting box｜Application:Automotive and machinery sealing repair

Pricing: request a quote (B2B / wholesale).

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Product details

This A‑1 O‑Ring Kit repair box contains 382 pieces assorted NBR70 O‑rings covering 30 common metric sizes. It is a practical maintenance spare‑parts kit for automotive sealing and general machinery repair. All o‑rings are manufactured from NBR nitrile rubber, featuring excellent oil‑resistant performance, moderate heat‑resistance and anti‑aging property. The matched blue plastic storage box keeps different sizes separated, avoids loss and easy for field repair carrying. Widely used in auto repair shops, equipment maintenance workshops, parts wholesale and export business. Core functions Seal hydraulic oil, gear oil, lubricant and coolant for automotive assemblies Prevent liquid and gas leakage on pipe joints, valve and fitting connections Convenient assorted kit for emergency on‑site repair replacement Compact case for neat storage and quick size selection

Material and process

Material ：NBR70 nitrile rubber Hardness ：70 Shore A Key properties ：Oil‑resistant, wear‑resistant, anti‑aging, moderate temperature resistance Working temperature:‑20℃ +120℃ Manufacturing features Precision molded metric standard O‑ring dimensions. Good compatibility with engine oil, gear oil, hydraulic oil and coolant. Hard plastic sorting box with separate compartments for each size. Upgrade option ：FKM fluororubber o‑ring kit for higher‑temperature working conditions.

Application and compatibility

Product Type ：Assorted O‑Ring repair kit box Size range ：30 common metric sizes, total 382 pieces Compatible media ：Motor oil, gear oil, hydraulic oil, grease, coolant. Fit application ：Automotive sealing, vehicle maintenance, hydraulic and pneumatic machinery repair. Buyer reminder ：This is aftermarket repair spare kit. Please confirm exact dimension (inner diameter & cross‑section) before installation. Improper size selection will cause leakage.

Selection guide

Selection Tips 1. Confirm required inner diameter and cross‑section of O‑ring before picking from kit. 2. Standard NBR70 for general oil and coolant environment; select FKM upgrade for high‑temperature scenarios. 3. Inspect groove, fitting surface; remove burrs, dirt and old seal residue before assembly. Scratches will cause leakage. Installation Steps Preparation Clean sealing groove and mating surface thoroughly. Pre‑lubrication Apply compatible oil or grease on O‑ring surface, avoid sharp tool scratch. Fit installation Place O‑ring into groove smoothly, do not twist or over‑stretch the ring. Assembly Assemble fittings carefully, avoid cutting O‑ring by thread or sharp edges. Pressure test After assembly, perform pressure test to check for leakage.

Packaging and delivery

Inner package ：Individual blue plastic sorting box. Outer package ：Export carton. Packing quantity ：1 set / box. MOQ ：Stock items no MOQ, sample order supported. Lead‑time ：In‑stock goods ship within 3‑5 working days; custom‑order 30‑45 working days. Custom options ：Custom logo printing available, custom‑order MOQ≥100 sets. Shipping protection: Shock‑resistant carton to avoid box deformation during transit.

FAQ

There are only competing products—OEM and model—but not your part number. Can we use them as a reference for selection?

Sure. Please include the competing products/OEM model, key dimensions (ID × OD × height, in mm), and operating conditions (medium, temperature, pressure, rotational speed) to the inquiry form, and we will match them with equivalent specs items in our catalog.If dimensions are unavailable, please send model and photos/drawing first, and we will confirm the details. The final model selection will be based on the confirmation of drawing and operating conditions, and the official quotation will be subject to the written quotation order.

Does it support OEM/ODM along with privatization of packaging and tagging?

We support performing OEM/ODM in accordance with drawing/sample, as well as packaging and marking customization within the agreed upon scope.Please provide details on the target market’s compliance requirements and estimated annual volume. During the RFQ phase, we will confirm process feasibility, tooling costs, and mass production cycle time.

What is A‑1 O‑Ring Kit used for?

A‑1 O‑Ring Kit contains 385 pieces NBR70 metric o‑rings of 30 sizes, widely used for automotive sealing, machinery and hydraulic repair work.

What material is this O‑ring repair box?

Material:NBR70 nitrile rubber, hardness 70 Shore A, working temperature ‑20℃ +120℃, good oil‑resistant performance.

How many sizes and pieces in this kit?

30 different metric sizes, total quantity 382 pieces, packed in blue plastic sorting box.

Do you support custom logo and export packaging?

Yes, custom logo and export‑oriented packaging available, custom MOQ is 100 sets, lead‑time 30‑45 working days.

What is your MOQ and delivery time?

Stock items no MOQ, ship within 3‑5 working days. Customized order MOQ:100 sets, lead‑time 30‑45 days.

How to prevent O‑ring leakage after installation?

Check groove surface for scratches and burrs, choose correct size, lubricate before installation, avoid twisting or cutting O‑ring, perform pressure test after assembly.

What is shelf‑life for NBR70 O‑rings?

24 months when stored in cool, dry, dark warehouse, away from heat source and ozone, avoid heavy squeeze.

Do you have high‑temperature FKM version?

Yes, FKM fluororubber upgrade kit is available for high‑temperature heavy‑duty applications, please contact us for quotation.

Can you provide export documents for bulk order?

We can provide commercial invoice, packing list and certificate of origin for bulk export shipment.

Can I mix order with other seals and oil seals?

Mixed wholesale is supported, you can combine O‑ring kit together with oil seals and other rubber sealing parts for one‑stop sourcing.

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