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Camshaft 89412-77971 89412-77970 89412-77974 Fits for 4JB1 4JA1 4JG2 SK60 DH55 is backordered and will ship as soon as it is back in stock.
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Restore optimal engine performance with this precision-engineered camshaft designed for Isuzu 4JB1, 4JA1, and 4JG2 engines. Built to OE specifications, this camshaft ensures proper valve timing, smooth operation, and reliable power delivery for your heavy-duty equipment including SK60 and DH55 excavators.
OE Part Numbers (fits): 89412-77971, 89412-77970, 89412-77974
Condition: New, Aftermarket
Application: fits 4JB1 4JA1 4JG2 SK60 DH55
This camshaft fits the following engines and equipment:
Verify fitment with your engine serial number or consult your service manual before ordering. Professional installation recommended.
The Isuzu 4JB1, 4JA1, and 4JG2 are reliable 4-cylinder diesel engines widely used in compact excavators, skid steers, light trucks, and industrial equipment. Known for their durability, fuel efficiency, and dependable performance, these engines require quality replacement parts to maintain peak performance and minimize downtime.
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Estimated delivery time 3-6 workdays
We don't have a core charge for any products.
To start a return, please use our return portal. Items should be unused, not installed, clean, in their original packaging and accompanied by proof of purchase. Please contact support if you need help with the current return instructions or applicable costs.
Orders placed within one hour and not yet fulfilled can be cancelled from the customer order page. After one hour, or once the order has been fulfilled, please contact support for the next steps.
Available payment methods include major credit and debit cards, PayPal, Apple Pay, Google Pay, Shop Pay and Klarna. Availability can vary by order and checkout, so the payment options shown at checkout apply.
Most packages delivered within New Zealand arrive in 4–7 working days. Packages over 68 kg can take 5–10 working days. Timing can also vary with product availability, destination, shipping service, customs processing, weekends, public holidays or carrier delays.
New Zealand orders are billed in NZD.
Compare the listed part number, machine make, model, engine details and specifications with your equipment records. Fitment can vary by configuration and serial range, so contact support with the part number and machine details if you are unsure. Fitment should be confirmed before installation.
Mailed & Couriered Shipments (Online Shopping)
For NZ$1,000 or less goods value, no customs duty or border entry fees are collected by the New Zealand Customs Service.
For over NZ$1,000 customs value, formal customs entry is required and the customer must pay 15% GST, applicable customs duties, and border processing fees such as the Import Entry Transaction Fee.
Restore optimal engine performance with this precision-engineered camshaft designed for Isuzu 4JB1, 4JA1, and 4JG2 engines. Built to OE specifications, this camshaft ensures proper valve timing, smooth operation, and reliable power delivery for your heavy-duty equipment including SK60 and DH55 excavators.
OE Part Numbers (fits): 89412-77971, 89412-77970, 89412-77974
Condition: New, Aftermarket
Application: fits 4JB1 4JA1 4JG2 SK60 DH55
This camshaft fits the following engines and equipment:
Verify fitment with your engine serial number or consult your service manual before ordering. Professional installation recommended.
The Isuzu 4JB1, 4JA1, and 4JG2 are reliable 4-cylinder diesel engines widely used in compact excavators, skid steers, light trucks, and industrial equipment. Known for their durability, fuel efficiency, and dependable performance, these engines require quality replacement parts to maintain peak performance and minimize downtime.