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4.3L MPI ALPHA-BRAVO EC - 1A637496 and Up - Alternator and Brackets

Section Drawing: (Hover or click to view larger)



Ref # Part Class Part Number Description Comments Qty Note
1 0000 OEM: 530-863077T, Sierra: 676-18-6298 ALTERNATOR ASSEMBLY Black 65 Amp - With 50mm Pulley (Non Serviceable) 1 [1]
2 0011 OEM: 525-11-400212 NUT (M6) Stainless Steel   2  
3 0010 OEM: 525-10-40001134 SCREW (M8 x 25)   1  
4 0010 OEM: 525-10-828213 SCREW (.312-18 x 1.500) Hex Flange   2  
5 0012 OEM: 525-12-57792 WASHER   2  
6 0011 OEM: 525-11-26484 NUT (.312-18)   2  
7 0000 OEM: 525-8M0053836 BRACKET Alternator   1  
8 0010 OEM: 525-10-98261 SCREW (.375-16 x .750)   2  
9 0012 OEM: 525-12-20084, GLM: 700-21664 WASHER (.328 x .562 x .062)   1  
10 0057 OEM: 525-57-8M2018590 BELT Serpentine (Alpha-Standard Cooling) 1  
10 0057 OEM: 525-57-8M2018984 BELT Serpentine (Bravo-Standard Cooling) 1  
10 0057 OEM: 525-57-879288Q20 BELT Serpentine (Closed Cooling) 1  
11 0000 OEM: 525-8M0053838 BRACKET Idler Adjusting   1  
12 0000 OEM: 525-865193 BUSHING   1  
13 0011 OEM: 525-11-859135, GLM: 700-28410 NUT (.437-20) Brass/Nickel Plated   1  
14 0043 OEM: 525-43-8183812 PINION STUD (.437-20) Stainless Steel   1  
15 0000 OEM: 530-864625T PULLEY (4.25 Inch Diameter)   1  
16 0010 OEM: 525-10-34353 SCREW (.375-16 x 1.00)   2  
17 0000 OEM: 525-8M2021996 BRACKET Idler to Power Steering Pump   1  
18 0010 OEM: 525-10-98261 SCREW (.375-16 x .750)   1  
19 0000 OEM: 525-864456T BRACKET Alternator Brace (Bravo)(Alpha - Closed Cooling) 1  
20 0010 OEM: 525-10-32132 SCREW (.375-16 x 1.750)   1  
21 0000 OEM: 525-8M2019957 BRACKET Alternator to Idler (Bravo)(Alpha - Closed Cooling) 1  
22 0000 865598 PULLEY (Bravo)(Alpha - Closed Cooling) 1  
23 0000 OEM: 525-865193 BUSHING (Bravo)(Alpha - Closed Cooling) 1  
24 0010 OEM: 525-10-56393 SCREW (.437-20 x 1.75) (Bravo)(Alpha - Closed Cooling) 1  
25 0011 OEM: 525-11-859135, GLM: 700-28410 NUT (.437-20) Brass/Nickel Plated (Bravo)(Alpha - Closed Cooling) 1  
26 0000 OEM: 525-8M2019972 BRACKET Alternator (Alpha - Standard Cooling) 1  
27 0010 OEM: 525-10-34353 SCREW (.375-16 x 1.00)   1  
28 0000 OEM: 525-8M2021334 BRACKET Flush Valve   1

PART NOTES:

[1] - Alternate part numbers:

863077R01Reman

863077TQS

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