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DelphiPart #: TL489

Delphi TL489 Steering Idler Arm

Name: Delphi TL489 Steering Idler Arm
Brand: Delphi
SKU: BBMX-TL489
Price: 32.73 USD
Availability: InStock

186 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Chevrolet and GMC, C10, C10 Suburban, C20, C20 Suburban, C30, G10, G20, G30, K5 Blazer, P20, P30, C2500, C2500 Suburban, C3500, G1500, G2500, G3500, Jimmy, P2500, P3500, P10, P1500, C15, C15 Suburban, C25, C25 Suburban, C35, G15, G25, G35, P15, P25, P35, Blazer, C10 Pickup, C30 Pickup, G10 Van, G20 Van, G30 Van, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, G15/G1500 Van, G25/G2500 Van, G35/G3500 Van, P15/P1500 Van, P25/P2500 Van, and P35/P3500 Van

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OE-Style Steering Idler Arm for Classic GM Trucks

Delphi TL489 is a standard replacement steering idler arm built for classic Chevrolet and GMC truck applications. It is pre-greased, greaseable, and includes a grease fitting for serviceable steering maintenance on vehicles such as the Chevrolet C10, GMC C2500, and Chevrolet K5 Blazer.

Key Features

Standard replacement steering idler arm for OE-style service
Pre-greased for initial installation readiness
Greaseable design with grease fitting included
Stud-style arm attachment type
Length: 5.39 in.
Delphi part number TL489

Application Details

Compatible with a wide range of GM rear-wheel-drive steering applications from 1967-1982, including Chevrolet C10, C20, C30, G10, G20, G30, K5 Blazer, P10, P20, and P30, plus GMC C2500, C3500, G1500, G2500, G3500, Jimmy, P2500, and P3500 models. This part cross-references Dorman OE Solutions 535-712 for the same application.

Delphi applies OE-focused dimensional and material analysis to help maintain proper fit and steering geometry. The part is tested for extreme temperature exposure and salt-spray resistance to reflect demanding underbody conditions common in Chevrolet and GMC steering systems.

What This Part Helps Address

Excess steering play caused by a worn idler arm
Loose or inconsistent steering response
Uneven steering linkage movement
Grease loss or dry pivot points in serviceable steering systems
Replacement needs on aging Chevrolet C10 and GMC truck steering components

Installation Notes

Verify vehicle year, make, model, and steering linkage configuration before installation. Inspect related steering components such as the center link, pitman arm, and tie rod ends for wear, since a worn linkage can affect steering feel after replacement. Torque fasteners to the vehicle manufacturer’s specifications and lubricate through the grease fitting during routine service.

Quality Assurance

Delphi uses OE-based engineering and validation methods for its steering portfolio, including dimensional and material analysis for fit consistency. The part is evaluated under temperature extremes below -40 degrees C and above 120 degrees C, and exposed to 720 hours of salt spray to assess durability in harsh operating conditions.

Brand	Delphi
Part Number	TL489
Arm Attachment Type	Stud
Grease Fitting Included	Yes
Greaseable	Yes
Item Grade	Standard Replacement
Length	5.39
Pre-Greased	Yes

This part fits 186 vehicles. Search below:

Year	Make	Model	Drive Type	Position	Notes
1982	Chevrolet	C10		N/A
1982	Chevrolet	C10 Suburban		N/A
1982	Chevrolet	C20		N/A
1982	Chevrolet	C20 Suburban		N/A
1982	Chevrolet	C30		N/A
1982	Chevrolet	G10		N/A
1982	Chevrolet	G20		N/A
1982	Chevrolet	G30		N/A
1982	Chevrolet	K5 Blazer	RWD	N/A
1982	Chevrolet	P20		N/A
1982	Chevrolet	P30		N/A
1982	GMC	C2500		N/A
1982	GMC	C2500 Suburban		N/A
1982	GMC	C3500		N/A
1982	GMC	G1500		N/A
1982	GMC	G2500		N/A
1982	GMC	G3500		N/A
1982	GMC	Jimmy	RWD	N/A
1982	GMC	P2500		N/A
1982	GMC	P3500		N/A
1981	Chevrolet	C10		N/A
1981	Chevrolet	C10 Suburban		N/A
1981	Chevrolet	C20		N/A
1981	Chevrolet	C20 Suburban		N/A
1981	Chevrolet	C30		N/A
1981	Chevrolet	G10		N/A
1981	Chevrolet	G20		N/A
1981	Chevrolet	G30		N/A
1981	Chevrolet	K5 Blazer	RWD	N/A
1981	Chevrolet	P20		N/A
1981	Chevrolet	P30		N/A
1981	GMC	C2500		N/A
1981	GMC	C2500 Suburban		N/A
1981	GMC	C3500		N/A
1981	GMC	G1500		N/A
1981	GMC	G2500		N/A
1981	GMC	G3500		N/A
1981	GMC	Jimmy	RWD	N/A
1981	GMC	P2500		N/A
1981	GMC	P3500		N/A
1980	Chevrolet	C10		N/A
1980	Chevrolet	C10 Suburban		N/A
1980	Chevrolet	C20		N/A
1980	Chevrolet	C20 Suburban		N/A
1980	Chevrolet	C30		N/A
1980	Chevrolet	G10		N/A
1980	Chevrolet	G20		N/A
1980	Chevrolet	G30		N/A
1980	Chevrolet	K5 Blazer	RWD	N/A
1980	Chevrolet	P10		N/A
1980	Chevrolet	P20		N/A
1980	Chevrolet	P30		N/A
1980	GMC	C2500		N/A
1980	GMC	C2500 Suburban		N/A
1980	GMC	C3500		N/A
1980	GMC	G1500		N/A
1980	GMC	G2500		N/A
1980	GMC	G3500		N/A
1980	GMC	Jimmy	RWD	N/A
1980	GMC	P1500		N/A
1980	GMC	P2500		N/A
1980	GMC	P3500		N/A
1979	Chevrolet	C10		N/A
1979	Chevrolet	C10 Suburban		N/A
1979	Chevrolet	C20		N/A
1979	Chevrolet	C20 Suburban		N/A
1979	Chevrolet	C30		N/A
1979	Chevrolet	G10		N/A
1979	Chevrolet	G20		N/A
1979	Chevrolet	G30		N/A
1979	Chevrolet	K5 Blazer	RWD	N/A
1979	Chevrolet	P10		N/A
1979	Chevrolet	P20		N/A
1979	Chevrolet	P30		N/A
1979	GMC	C2500		N/A
1979	GMC	C2500 Suburban		N/A
1979	GMC	C3500		N/A
1979	GMC	G1500		N/A
1979	GMC	G2500		N/A
1979	GMC	G3500		N/A
1979	GMC	Jimmy	RWD	N/A
1979	GMC	P1500		N/A
1979	GMC	P2500		N/A
1979	GMC	P3500		N/A
1978	Chevrolet	C10		N/A
1978	Chevrolet	C10 Suburban		N/A
1978	Chevrolet	C20		N/A
1978	Chevrolet	C20 Suburban		N/A
1978	Chevrolet	C30		N/A
1978	Chevrolet	G10		N/A
1978	Chevrolet	G20		N/A
1978	Chevrolet	G30		N/A
1978	Chevrolet	K5 Blazer	RWD	N/A
1978	Chevrolet	P10		N/A
1978	Chevrolet	P20		N/A
1978	Chevrolet	P30		N/A
1978	GMC	G15		N/A
1978	GMC	G25		N/A
1978	GMC	G35		N/A
1978	GMC	Jimmy	RWD	N/A
1977	Chevrolet	C10		N/A
1977	Chevrolet	C10 Suburban		N/A
1977	Chevrolet	C20		N/A
1977	Chevrolet	C20 Suburban		N/A
1977	Chevrolet	C30		N/A
1977	Chevrolet	G10		N/A
1977	Chevrolet	G20		N/A
1977	Chevrolet	G30		N/A
1977	Chevrolet	K5 Blazer	RWD	N/A
1977	Chevrolet	P10		N/A
1977	Chevrolet	P20		N/A
1977	Chevrolet	P30		N/A
1977	GMC	G15		N/A
1977	GMC	G25		N/A
1977	GMC	G35		N/A
1977	GMC	Jimmy	RWD	N/A
1976	Chevrolet	C10		N/A
1976	Chevrolet	C10 Suburban		N/A
1976	Chevrolet	C20		N/A
1976	Chevrolet	C20 Suburban		N/A
1976	Chevrolet	C30		N/A
1976	Chevrolet	G10		N/A
1976	Chevrolet	G20		N/A
1976	Chevrolet	G30		N/A
1976	Chevrolet	K5 Blazer	RWD	N/A
1976	Chevrolet	P10		N/A
1976	Chevrolet	P20		N/A
1976	Chevrolet	P30		N/A
1976	GMC	G15		N/A
1976	GMC	G25		N/A
1976	GMC	G35		N/A
1976	GMC	Jimmy	RWD	N/A
1975	Chevrolet	C10		N/A
1975	Chevrolet	C10 Suburban		N/A
1975	Chevrolet	C20		N/A
1975	Chevrolet	C20 Suburban		N/A
1975	Chevrolet	C30		N/A
1975	Chevrolet	G10		N/A
1975	Chevrolet	G20		N/A
1975	Chevrolet	G30		N/A
1975	Chevrolet	K5 Blazer	RWD	N/A
1975	Chevrolet	P10		N/A
1975	Chevrolet	P20		N/A
1975	Chevrolet	P30		N/A
1975	GMC	G15		N/A
1975	GMC	G25		N/A
1975	GMC	G35		N/A
1975	GMC	Jimmy	RWD	N/A
1974	Chevrolet	Blazer		N/A	Rear Wheel Drive
1974	Chevrolet	C10 Suburban		N/A
1974	Chevrolet	C20 Suburban		N/A
1974	GMC	G15/G1500 Van		N/A
1974	GMC	G25/G2500 Van		N/A
1974	GMC	G35/G3500 Van		N/A
1973	Chevrolet	Blazer		N/A	Rear Wheel Drive
1973	Chevrolet	C10 Suburban		N/A
1973	Chevrolet	C20 Suburban		N/A
1973	GMC	G15/G1500 Van		N/A
1973	GMC	G25/G2500 Van		N/A
1973	GMC	G35/G3500 Van		N/A
1972	Chevrolet	Blazer		N/A	Rear Wheel Drive
1972	Chevrolet	C10 Suburban		N/A
1972	Chevrolet	C20 Suburban		N/A
1972	GMC	G15/G1500 Van		N/A
1972	GMC	G25/G2500 Van		N/A
1972	GMC	G35/G3500 Van		N/A
1971	Chevrolet	Blazer		N/A	Rear Wheel Drive
1971	Chevrolet	C10 Suburban		N/A
1971	Chevrolet	C20 Suburban		N/A
1971	GMC	G15/G1500 Van		N/A
1971	GMC	G25/G2500 Van		N/A
1971	GMC	G35/G3500 Van		N/A
1970	Chevrolet	Blazer		N/A	Rear Wheel Drive
1970	Chevrolet	C10 Suburban		N/A
1970	Chevrolet	C20 Suburban		N/A
1970	GMC	G15/G1500 Van		N/A
1970	GMC	G25/G2500 Van		N/A
1969	Chevrolet	Blazer		N/A	Rear Wheel Drive
1969	Chevrolet	C10 Suburban		N/A
1969	Chevrolet	C20 Suburban		N/A
1969	GMC	G15/G1500 Van		N/A
1969	GMC	G25/G2500 Van		N/A
1968	Chevrolet	C10 Suburban		N/A
1968	Chevrolet	C20 Suburban		N/A
1967	Chevrolet	C10 Suburban		N/A
1967	Chevrolet	C20 Suburban		N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1400255138892353941722535-7126270310IA6096K6096K6096T

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Delphi TL489 Steering Idler Arm

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OE-Style Steering Idler Arm for Classic GM Trucks

Key Features

Application Details

What This Part Helps Address

Installation Notes

Quality Assurance

Delphi TL489 Steering Idler Arm

OE-Style Steering Idler Arm for Classic GM Trucks

Key Features

Application Details

What This Part Helps Address

Installation Notes

Quality Assurance

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