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ALTERNATOR GP -B 20R0053 - Caterpillar


20R0053 ALTERNATOR GP -B Caterpillar parts
Rating:
80
Alternative (cross code) number:
CA20R0053
20R-0053
20R0053
Caterpillar 20R0053 ALTERNATOR GP -B
Weight: 24 pounds 11 kg.

Buy ALTERNATOR GP -B 20R0053 Caterpillar genuine, new aftermarket tractor parts with delivery

Related part:
2721889  ALTERNATOR GP -B  20R0053  R

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$229.95

05 Sep 2025
11.0[4.95] Pounds
US: Rareelectrical
RAREELECTRICAL New Alternator Compatible With Caterpillar Engine C7 C9 C11 C15 C27 C32 272-1889 3524032 20R0053 272-1889 352-4032 20R0053 2721907
Rareelectrical Rareelectrical Brand Compatible with CAT, CATERPILLAR, HITACHI, MAN, TAKEUCHI, YANMAR. Please verify your OEM part number from your original unit to help ensure fitment. || Replaces: Hitachi Lr240-41 Lr24041 Lr2404a / Yanmar Y129953-77210 Ym129953-77210 129953-77210 12995377210 / Manufacture: Rareelectrical / Design: Hitachi / Unit Type: Ir/Ef / Voltage: 24 / Amperage: 40 || Applications: Please Verify Your Oem Part Number From Your Original Unit To Help Ensure Fitment. / Takeuchi Excavator Tb175 || Applications: ... || Alternator - Voltage: 24V Amperage: 40 Amps Regulator: Internal Country Of Origin: US Source: Aftermarket
$598.00

05 Sep 2025

CN: Jade_Belt
Alternator 20R-0053 20R0053 for Caterpillar Engine C7 C9 C11 C15 C27 C32
HUGIOJK Part Number: 20R-0053 20R0053 || Applicable models: Fit for Caterpillar Engine C7 C9 C11 C15 C27 C32 || Safety: 100% Tested Before Shipping to Ensure Product Safety, Stability and Durability. || Function: High-quality material for long-lasting durability. Perfect match for the original car and easy to install || TIPS: Please be sure to compare carefully with photos and check part number before buying items, If you are not sure this part is suitable, please feel free to contact us, we'll reply you as soon as possible.
$702.16

28 Aug 2025
28.0[12.60] pounds
US: Rareelectrical
RAREELECTRICAL New 12V 150A Alternator Compatible With Cat Caterpillar Denso Cs64b Cs68b Cs74 Cs74b 825H 826H 826K 836K Cp64 By Part Numbers 0210800690 20R0053 2721889 1012109010
Rareelectrical Rareelectrical Brand Compatible with CAT, CATERPILLAR, DENSO. Please verify your OEM part number from your original unit to help ensure fitment. || Replaces: Caterpillar: 20R0053 272-1889 2721889 / Denso: 021080-0690 101210-9010 101210-9011 0210800690 1012109010 1012109011 / Item Description: Alternator / Unit Type: Denso / Voltage: 24 / Amperage: 150 / Fan: External / Regulator: Internal / Mount Type: Pad / Pad Span Length: 4.25In / 107.95Mm / Mounting Ear 1 Hole: 10.5Mm Unthreaded / Mounting Ear 2 Hole: 12.6Mm Unthreaded / Mounting Ear 3 Hole: 10.5Mm Unthreaded / Mounting Ear 4 Hole: 12.6Mm Unthreaded / Mounting Ear 1 Thickness: 3.15In || Applications: Caterpillar Ag. & Ind. Compactor 825H C15 Acert, 15.2L Caterpillar Dsl. 2005-2015 / Caterpillar Ag. & Ind. Compactor 826H C15 Acert, 15.2L Caterpillar Dsl. 2005-2016 / Caterpillar Ag. & Ind. Compactor 826K C15 Acert, 15.2L Caterpillar Dsl. 2010 / Caterpillar Ag. & Ind. Compactor 836K C18 Acert, 18.13L Caterpillar Dsl. 2014 / Caterpillar Ag. & Ind. Compactor Cp64 C6.6 Acert, 6.6L, 403Ci Caterpillar. 2008 / Caterpillar Ag. & Ind. Compactor Cp64 C6.6 Aclert, 6.6L, 403Ci Caterpillar. || Applications: 2009 / Caterpillar Ag. & Ind. Compactor Cp64b C6.6 Acert, 6.6L, 403Ci Caterpillar. 2008-2009 / Caterpillar Ag. & Ind. Compactor Cp74 C6.6 Acert, 6.6L, 403Ci Caterpillar. 2008-2011 / Caterpillar Ag. & Ind. Compactor Cs64 C6.6 Acert 6.6L, 403Ci Caterpillar 2008-2012 / Caterpillar Ag. & Ind. Compactor Cs64b C6.6 Acert 6.6L, 403Ci Caterpillar 2011-2015 / Caterpillar Ag. & Ind. Compactor Cs68b C6.6 Acert 6.6L, 403Ci Caterpillar 2012-2013 / Caterpillar Ag. & Ind. Compactor Cs74 C6.6 || Alternator - Voltage: 24V Amperage: 150 Amps Fan: External Regulator: Internal Country Of Origin: US Source: Aftermarket
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Information:

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Loctite C5-A Copper Anti-Seize Lubricant -
B 195-4609 Seal Pick 1
C - Isopropyl Alcohol -
D 5P-4996 Plug 2 Start By:
Remove the exhaust elbow.
Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the start switch off when changing fuel filters or water separator elements. Clean up fuel spills immediately.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.
Turn the fuel supply to the OFF position and turn the power disconnect switch to the OFF.
Illustration 1 g02848517
Disconnect clamp assemblies (1) and remove hose (2).
Remove bolts (4), tube assembly (3), and the gasket. Discard the gasket.Note: Cap all hose assemblies, with Tooling (D), and fittings that are disconnected o prevent fluid loss. This action will also keep contaminants out of the systems.
Illustration 2 g02848516
Remove bolt (5) and disconnect harness assembly (6).
Illustration 3 g02848515
Disconnect hose assemblies (7) and hose assembly (8).
Remove allen bolt (9) and the clamp assembly. Position cable assembly (10) out of the way.
Disconnect flame detection temperature sensor (11).
Illustration 4 g02153382
Remove nuts (16) and combustion head (15).
Remove gasket (14), tube assembly (13), and gasket (12). Discard the gaskets.Note: The gaskets are for one time use only. Replace with new gaskets upon installation.
If required, remove studs (17).
Illustration 5 g03686649
Remove fittings (18) and (19).
Remove spark plug (20) and fittings (21).
Illustration 6 g02481277
Use Tooling (B) to remove O-ring seals (22) and (23) from cable assembly (10). Discard the O-ring seals.Installation Procedure
Install combustion head (15) in reverse order of removal.
Apply Tooling (A) to the threads of studs (17). Tighten studs (17) to a torque of 17


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