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Isuzu 4JB1 Alternator Mounting Bolt – Genuine Part, Suitable For NKR/TFR55 (8971469980 / 8-97146998-0)
This high-strength Bolt (Alternator Mounting), with specifications M10 x 130mm and OE numbers 8971469980 and 8-97146998-0, is specifically engineered for securing the alternator on ISUZU NKR and TFR55 models powered by the robust 4JB1 engine. Forged from high-grade alloy steel and treated with a protective yellow zinc-plated anti-corrosion coating, this mounting bolt is designed to withstand the significant shear forces, engine vibrations, and high temperature cycles found within the engine compartment. Its precise thread pitch and length ensure a secure, stable fit, which is critical for maintaining proper alternator alignment and belt tension for the entire electrical system's reliability.We are a One-stop ISUZU ,Hino ,Mitsubishi and Jiangling ,JMC truck parts supplier from China ,focus on all Isuzu trucks spare parts sales for 29 years . Worldwide shipping is supported .DM us for more ,WhatsApp +86 17383152089 .
Description
Products Description
| Product Name | Bolt (Alternator Mounting) M10*130 |
| Truck Model Fit for | NKR TFR55 |
| OE NO. | 8971469980 ,8-97146998-0 |
| MOQ | 1 Pieces |
| Place of Original | China |
| Quality | China ISUZU (Qingling) Quality / Famous Brand Aftermarket Quality / Japanese ISUZU Quality for Choose |
| Color | As picture shown |
| Product Size | M10*130mm |
| Engine Type Fits | 4JB1 |
| Packing | neutral box/color box/customer brand package |
| Shipping | By Express, By Sea ,By Air, By Railway |
| Delivery Time | 1-8 Working days |
| Shipping | Worldwide shipping |
| Payment | TT.paypal.Western Union.Trade Assurance |
| Warranty | 1 Year |
Our Available Solutions
Bolt (Alternator Mounting) available in three quality grades
China ISUZU (Qingling) Quality
Original equipment manufacturer (OEM) standard for Qingling vehicles – reliable and cost-effective
Famous Brand Aftermarket Quality
Premium aftermarket brands with excellent durability and performance – ideal for standard replacements
Japanese ISUZU Quality
Highest quality, Japanese OE specification – recommended for heavy-duty use & long life
Products Image
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Alternator Adjusting Bolt and related products Introduction
01
Bolt (Alternator Mounting)
This high-strength Alternator Mounting Bolt (M10*130) is the critical anchoring component for the charging system, specifically designed for ISUZU NKR/TFR55 with the 4JB1 engine.
- Secure Mounting: Featuring a precise M10 diameter and 130mm length, it provides the essential clamping force to lock the alternator in place, ensuring zero-play stability.
- Vibration Resistance: The flanged hex head is engineered to withstand high-frequency engine harmonics, preventing loosening and maintaining structural alignment under constant mechanical stress.
- Superior Durability: Treated with yellow zinc plating, it offers excellent corrosion and heat resistance, ensuring thread integrity in the demanding engine bay environment.
02
Generator Mounting Bolt Risks of Damage
The failure of an Alternator Mounting Bolt can lead to serious mechanical breakdowns. For ISUZU 4JB1 engines, the primary risks include:
- Belt Failure: A loose or bent bolt causes pulley misalignment, leading to rapid belt wear, persistent squealing, and eventual snapping.
- Component Damage: Constant vibration from a loose bolt can crack the alternator's mounting "ears" or damage the engine bracket, leading to costly repairs.
- Charging Issues: Excessive movement disrupts the alternator's operation and ground connection, resulting in unstable voltage or a dead battery.
- Shear Risk: A fatigued bolt may snap under stress, potentially causing the alternator to fall and damage the radiator or cooling fan.
03
Generator Mounting Bolt Installation Guide
Follow these steps to ensure a secure installation of the Alternator Mounting Bolt on the ISUZU 4JB1 engine:
- Clean & Inspect: Clear debris from the bracket and alternator mounting holes. Check that threads are clean to avoid cross-threading.
- Align & Insert: Position the alternator manually so the 130mm bolt slides through smoothly. Never force the bolt, as this can cause bending or thread damage.
- Hand Start: Thread the bolt by hand until the flange head is flush. This ensures proper alignment before final tightening.
- Torque & Verify: Tighten to OEM torque specs to resist engine vibrations.
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About Us
Chongqing Guanglian Qingling Auto Parts co., ltd
Founded in 1997 and located in the High-tech Zone of Chongqing City, China, we are one of the largest Isuzu parts distributors in China. For about 29 years ,we primarily supply a full range of spare parts for Isuzu trucks, covering models including ISUZU CXH, CYH, CXZ, CYZ, ELF, EXR, EXZ, FMR, FRR, FSR, FTR, FTS, FSS, FVM, FVR, FVZ, FXZ, FYH, GVR, GVZ, GXZ, NHR, NKR, NLR, NMR, NPR, NPS, NQR, QKR, TFR, TFS, UCR, UCS, and UBS. We also supply HINO, NISSAN, and TOYOTA spare parts. Our main products include China Qingling Isuzu original parts, Japan Isuzu original parts, and high-quality branded parts.
Industry experience
Cooperative Suppliers
Parts Inventory(SKUS)
Company Employees
general warehouse
Office Environment
Our Exhibition
2019
2020
2023
2024
2025
Honors and Partnerships
Packaging and Shipping
Frequently Asked Questions
How much experience do you have, and what truck models do you specialize in?
We have 29 years of professional experience specializing in commercial vehicle engine parts. Our primary focus is on heavy-duty truck models, particularly ISUZU and HINO. With our extensive industry knowledge, we know exactly what you need.
What is the quality of your Generator Mounting Bolt? Do they meet OEM standards?
Yes, all our products strictly adhere to OEM standards. Our mounting bolts are manufactured from high-strength materials for exceptional durability, high thread strength, and reliable operation. They are engineered for seamless integration, providing the secure fastening and precise alignment necessary to withstand high-frequency engine vibrations and maintain stable power output.
Can I purchase all the parts I need in a single order?
Absolutely. We pride ourselves on being a one-stop supply for our customers. We provide a complete range of parts for ISUZU trucks, including Electrical Systems, Engine Systems, Chassis Systems, and more. You can easily source everything you need in one consolidated order.
Do you keep parts in stock, and how fast is delivery?
Yes, we maintain a large, stable inventory for popular and hot-selling models so they are ready to ship. We arrange deliveries quickly and efficiently to significantly reduce your waiting time.
How do you package the parts to ensure they aren't damaged during shipping?
We employ secure and professional packaging solutions to ensure your order remains in perfect condition. Each component is enclosed using specially designed packaging materials that effectively resist external impacts, providing comprehensive protection for all internal parts during long-distance transportation.
What kind of customer service and support can I expect?
Our professional sales team is dedicated to providing excellent service. You can expect fast response times, accurate part matching to ensure you get exactly what you need, and reliable after-sales support.
What quality options do you offer for your parts?
We offer a variety of quality tiers to suit your specific preferences and budget, while ensuring quality across the board. You can choose from:
China ISUZU (Qingling) Quality
Famous Brand Aftermarket Quality
Original Japanese ISUZU Quality
Do you offer discounts for bulk orders or B2B partners?
Yes, we do! We offer flexible pricing depending on your needs. If you are a truck parts reseller, distributor, or commercial company, we can provide significant discounts. Clients who order multiple pieces in a single order are guaranteed to receive our best pricing.
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For more information about us or need us help you finding Isuzu spare parts ,please inbox us .
Contact our team with your OEM part number, VIN, or fleet details for a precise recommendation.
Our address
Baishiyi Jiulongpo District, High-tech Zone,Chongqing,China
Phone Number/Whatsapp/wechat
+8617383152089
ZCMisuzu@guanglian99.com
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