SEO Product Title
J 903857 Crankshaft Pulley Bolt – US Specification Hex Bolt M12 x 1.25 x 36mm for CASE 580 E, Super E, K, Super K, L, Super L & M 6-590 / 6T-590 Engine
SEO Product Description (English / Malay / Chinese)
ENGLISH DESCRIPTION
The J 903857 Crankshaft Pulley Bolt – US Specification is a precision-engineered Hex Bolt M12 x 1.25 x 36mm designed for securing the crankshaft pulley on CASE backhoes equipped with the 6-590 and 6T-590 diesel engines. Built to US bolt standards, this bolt ensures a strong, stable, and vibration-resistant fit to maintain proper engine timing and belt alignment.
Compatible with CASE 580 E, Super E, K, Super K, L, Super L, and M, this crankshaft bolt is essential during pulley replacement, engine overhaul, and front-end servicing.
+P Key Features:
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US-spec Hex Bolt M12 x 1.25 x 36mm
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Designed for crankshaft pulley fastening
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Perfect fit for 6-590 & 6T-590 diesel engines
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High-strength build, resistant to vibration and loosening
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Ensures stable pulley rotation & correct belt alignment
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Direct replacement for CASE original bolt
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Ideal for engine rebuilds, timing adjustment & pulley servicing
A dependable hardware choice for maintaining engine reliability, stability, and long service life.
MALAY DESCRIPTION (Bahasa Melayu)
J 903857 Bolt Crankshaft Pulley – US Specification ialah bolt hex M12 x 1.25 x 36mm yang direka untuk mengikat crankshaft pulley bagi enjin 6-590 dan 6T-590. Mengikut spesifikasi US, bolt ini memberikan kekuatan cengkaman yang stabil serta tahan getaran.
Serasi untuk CASE 580 E, Super E, K, Super K, L, Super L dan M.
+P Ciri-Ciri Utama:
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Bolt Hex US Spec M12 x 1.25 x 36mm
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Untuk mengikat crankshaft pulley
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Sesuai untuk enjin 6-590 / 6T-590
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Tahan getaran & tidak mudah longgar
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Menjamin putaran pulley yang stabil dan alignment tali sawat yang betul
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Pengganti direct-fit untuk bolt original CASE
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Sesuai untuk overhaul, servis timing & tukar pulley
Pilihan terbaik untuk memastikan prestasi enjin kekal stabil dan tahan lama.
CHINESE DESCRIPTION (中文)
J 903857 曲轴皮带轮螺栓 – 美国规格(US Specification),采用 M12 x 1.25 x 36mm 六角螺栓,专为固定 曲轴皮带轮(Crankshaft Pulley) 而设计。适用于 CASE 使用的 6-590 与 6T-590 柴油引擎,确保皮带轮牢固稳定、对位精准,不会在震动中松脱。
适用型号包括 CASE 580 E、Super E、K、Super K、L、Super L、M。
+P 产品特点:
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美国规格六角螺栓 M12 x 1.25 x 36mm
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专用于固定 曲轴皮带轮
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完美匹配 6-590 / 6T-590 引擎
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抗震动、不松动、耐用度高
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保证皮带轮稳定旋转与皮带正确对位
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可直接替换 CASE 原厂螺栓
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适用于引擎翻修、前端维修、皮带轮更换
是维持 发动机稳定运转与长期可靠性 的关键部件。




BR 15067
VN 8647
US 4915
IN 4484
AR 3561
CN 2912
BD 1656
MY 1645
