A‑1 O‑Ring Kit 382Pcs NBR70 O Ring Repair Box, Rubb

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

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.

Key specs: 规格型号: 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 | 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

  • 规格型号: 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
  • 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

Technical summary

HTML summary for crawlers. PDF/CAD attachments remain authoritative for drawings; download on the interactive product page.

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).

Request a quote · Inquiry · Request a sample

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

How to submit an RFQ and get a quotation?

1) Open the inquiry page and enter company and contact details. 2) Provide model/size/quantity and duty conditions. 3) Note sample needs (intent=sample) when required. 4) Submit — we typically reply within 24 hours with an actionable quote and lead time. Final price and schedule follow the formal quotation.

What is your typical MOQ? Can you support small trial orders?

We support small trial lots for standard items. Production MOQ depends on tooling, material and process. Submit model/size/qty via the inquiry form for an actionable MOQ and lead time. Final price and schedule follow the formal quotation.

What are lead times for standard vs custom parts?

Stock/standard sizes are faster; custom dimensions, special materials or tooling take longer. Lead time depends on quantity and capacity—confirm via RFQ. Mark urgent needs in the inquiry notes.

I only have a competitor/OEM part number—can you cross-reference?

Yes. Provide the reference PN, key dimensions (ID/OD/height) and duty (media, temperature, pressure). We match equivalents in the catalog; use the Cross Reference page for keyword search. Final selection follows drawing and duty confirmation.

Which sealing materials do you use? How to choose for high temperature or special media?

Common materials include NBR, FKM/FPM, PTFE and silicone—matched to media, temperature and pressure. Share working temperature, media and motion type; we recommend a grade and note limits on the quote.

Do you support OEM/ODM, private packing and marking?

Yes—OEM/ODM from drawings/samples and agreed packing/marking. Share target market compliance needs and volume estimates; we confirm feasibility, tooling and production cadence at RFQ.

Do you export? What trade terms and payment methods are available?

We export to international buyers. Terms and payment (e.g. T/T) are confirmed during RFQ. Note destination port/country and preferred terms; formal contracts and PIs follow mutual confirmation.

What QC is done before shipment? Can you provide test reports?

Pre shipment dimensional/visual checks per order; material certificates or test reports available as agreed by product/lot. Specify document types and standards in the RFQ.

How do I request samples? How are sample and freight fees handled?

Use the inquiry form with sample intent, model/size and ship to address. Sample/freight waivers depend on item and partnership intent—confirmed by sales email. Provide full specs to avoid wrong shipments.

How do you make our business long-term and good relationship?

1.We keep good quality and competitive price to ensure our customers benefit; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

What are the advantages of your company?

We have Impressive Professional Technology, Experienced Technical Staffs, Strict Inspection Procedures, High Quality and Afforable Prices On Time Delivery, Problems identification & Solutions offers. Seal Design Proposal offers. Seals Tests for Endurance and Performance, PPAP Level IIl Submission. Strick Process Control, International Standard Criterias.

What is your terms of payment?

T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

What is your terms of delivery?

EXW, FOB, CFR, CIF.

How about your delivery time?

Existing molds: 30 days, depending on ordering quantity. New Molds: 60 days, depending on ordering quantity. Samples Submission: 21 28 days with existing toolings.

Can you produce according to the samples?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Do you test all your goods before delivery?

Yes, we have 100% test before delivery

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.

View interactive page