400768-0012 5 16 NF-LEFT T1238 Turbocharger Shaft Nut Replacement

This aftermarket replacement shaft nut, part number 400768-0012 5 16 NF-LEFT, is designed for T1238 turbochargers in CAT D342 6L and DAF truck applications. It features a left-hand thread specification and serves as a reference application for heavy-duty engine repairs, requiring verification of your specific unit before ordering.

Key Specifications

• Part Number: 400768-0012 5 16 NF-LEFT
• Product Type: Shaft Nut
• Turbo Model: T1238
• Thread Direction: Left-hand (NF-LEFT)
• Gross Weight: 0.03 kg
• Packing: N/A
• Application Clues: CAT D342 6L, DAF WS268L
• Image Availability: Yes (top and bottom views)

This section lists the factual identifiers and physical attributes provided in the input data. The left-hand thread specification is a critical verification point for buyers, as it distinguishes this component from standard right-hand variants. No OEM reference numbers are supplied, so part number and engine code serve as the primary verification keys.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• CAT > CAT 583K > CAT D342 6L
• CAT > CAT 583H > CAT D342
• CAT > CAT D6G 14G D6D > CAT 3306
• CAT > CAT EARTH MOVING
• DAEWOO > DAEWOO TRUCK > DAEWOO MK3TI
• DAEWOO > DAEWOO DS2842LE 12V 768HP
• DAF > DAF 85 360 > DAF WS268L 360HP
• DAF > DAF TRUCK 2100 > DAF DHTD825 204HP
• DAF > DAF TRUCK 75 80 > DAF RS180 200 222 L
• ENASA-PEGASO > ENASA-PEGASO TRUCK 1236 > PEGASO 96R1EX
• HITACHI > HITACHI EX400-1 > ISUZU 6RB1TTBZ
• MERCEDES-BENZ > MERCEDES-BENZ TRUCKS 1827 > BENZ OM401LA 9600CC 6V 270HP
• SCANIA > SCANIA 113 > SCANIA DSC11-17 320HP
• SCANIA > SCANIA TRUCK > SCANIA DSC9
• VOLVO > VOLVO EARTH MOVING > VOLVO TD100-101G
• VOLVO > VOLVO F12 > VOLVO TD120G

This T1238 shaft nut is listed for reference applications across CAT, DAF, DAEWOO, SCANIA, and VOLVO heavy-duty platforms. Specific engine clues include CAT D342 6L, CAT 3306, DAF WS268L, and DAEWOO DS2842LE. These paths serve as verification clues for buyers; confirm your specific turbo model and thread direction before ordering. The left-hand thread specification is critical for correct installation. Verify part number 400768-0012 5 16 NF-LEFT against your existing component to ensure accurate replacement application.

Technical Notes

The T1238 turbocharger is a fixed-geometry unit commonly found in heavy-duty diesel applications. This shaft nut features a left-hand thread specification, which is a critical verification point for correct installation. Buyers should confirm the thread direction against their existing component, as left-hand threads are distinct from standard right-hand variants. The part is a hex nut with a flange base, visible in the provided top and bottom views. No material grade or specific dimensional data is supplied, so verify physical dimensions against your current part. This component is a reference application for CAT D342 6L and DAF WS268L engines. Always check the part number 400768-0012 5 16 NF-LEFT and engine code before ordering to ensure the correct replacement application.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for this T1238 shaft nut. Technical fitment support is available to help verify the left-hand thread specification and engine application before ordering. For faster quotations, provide your vehicle model, engine code, and the current part number on your existing component. This service helps repair shops and distributors confirm the correct replacement application for CAT D342 6L or DAF truck units.